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Revision History for A024620 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A024620 Positions of primes among the powers of primes (A000961).
(history; published version)
#31 by Susanna Cuyler at Fri Jun 04 04:40:51 EDT 2021
STATUS

reviewed

approved

#30 by Peter Luschny at Fri Jun 04 03:13:02 EDT 2021
STATUS

proposed

reviewed

#29 by Michel Marcus at Thu Jun 03 15:13:43 EDT 2021
STATUS

editing

proposed

#28 by Michel Marcus at Thu Jun 03 15:13:40 EDT 2021
PROG

(PARI) lista(nn)=vec = vector) = my(nn, i, i); powpr = select((i->((omega(i)==1) || (i==1))), [1))), vec); ..nn])); for (i = 1, #powpr, if (isprime(powpr[i]), print1(i, ", ")); ); \\, ", ")); ); \\ _Michel Marcus_, Jun 03 2021

STATUS

approved

editing

#27 by Peter Luschny at Fri Nov 20 13:06:31 EST 2020
STATUS

reviewed

approved

#26 by Amiram Eldar at Fri Nov 20 09:59:35 EST 2020
STATUS

proposed

reviewed

#25 by Michel Marcus at Sun Oct 18 05:45:43 EDT 2020
STATUS

editing

proposed

#24 by Michel Marcus at Sun Oct 18 05:45:27 EDT 2020
FORMULA

a(n) = A027883(n) + 1;

a(n) = A025528(A000040(n)) + 1;

STATUS

proposed

editing

#23 by Ridouane Oudra at Sun Oct 18 05:40:53 EDT 2020
STATUS

editing

proposed

#22 by Ridouane Oudra at Sun Oct 18 05:25:07 EDT 2020
CROSSREFS

Cf. A025528, A065515, A000040.

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Last modified August 29 23:34 EDT 2024. Contains 375520 sequences. (Running on oeis4.)