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#33 by Michael De Vlieger at Sun Feb 11 09:22:00 EST 2024
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#32 by Antti Karttunen at Thu Feb 08 22:31:17 EST 2024
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Discussion
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| Sat Feb 10
| 19:05
| Antti Karttunen: So I did the change. Anybody caring to approve the change, or at least comment on it?
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#31 by Antti Karttunen at Thu Feb 08 22:30:53 EST 2024
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| EXAMPLE
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Since there are no primes less than 2, the sum of their reciprocals is 0/1, and as 2 divides 0, it is therefore included as the first term of this sequence. - Antti Karttunen, Feb 08 2024
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| STATUS
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proposed
editing
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#30 by Antti Karttunen at Thu Feb 08 16:54:40 EST 2024
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#29 by Antti Karttunen at Thu Feb 08 16:52:43 EST 2024
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| PROG
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(PARI) lista(nn) = my(s = 1/20); forprime(p=32, nn, if (!(numerator(s) % p), print1(p, ", ")); s += 1/p; ); \\ _; ); \\ _Michel Marcus_, Oct 09 2017, edited for the new, more inclusive definition by _Antti Karttunen_, Feb 08 2024
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proposed
editing
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#28 by Antti Karttunen at Thu Feb 08 16:48:55 EST 2024
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#27 by Antti Karttunen at Thu Feb 08 16:48:41 EST 2024
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| EXAMPLE
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Since there are no primes less than 2, the sum of their reciprocals is 0, and as 2 divides 0, therefore it is therefore included as the first term of this sequence. - Antti Karttunen, Feb 08 2024
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proposed
editing
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#26 by Antti Karttunen at Thu Feb 08 11:26:06 EST 2024
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#25 by Antti Karttunen at Thu Feb 08 11:23:10 EST 2024
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#24 by Antti Karttunen at Thu Feb 08 11:22:15 EST 2024
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| NAME
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Primes greater than 2 that divide the numerator of the sum of the reciprocals of all smaller primes.
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| DATA
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2, 5, 19, 47, 79, 109, 3667387
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| COMMENTS
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Odd primesPrimes p that divide A024451(A000720(p)-1). - Antti Karttunen, Feb 08 2024
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| EXAMPLE
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Since there are no primes less than 2, the sum of their reciprocals is 0, and 2 divides 0, therefore it is included as the first term. - Antti Karttunen, Feb 08 2024
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| EXTENSIONS
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Relaxed the definition to include 2 as the first term - Antti Karttunen, Feb 08 2024
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