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#18 by Joerg Arndt at Sat Nov 06 06:37:09 EDT 2021
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#17 by Michel Marcus at Sat Nov 06 06:08:34 EDT 2021
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#16 by Michel Marcus at Sat Nov 06 06:08:30 EDT 2021
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#15 by Michel Marcus at Sat Nov 06 06:08:19 EDT 2021
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| EXAMPLE
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a(3) = 64, as 64 has 1, 65 has 2 and 66 has 3 prime divisors: 64 = 2^6, 65 = 5*13 and 66 = 2*3*11.
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| STATUS
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reviewed
editing
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Discussion
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| Sat Nov 06
| 06:08
| Michel Marcus: just a period
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#14 by Joerg Arndt at Sat Nov 06 05:14:09 EDT 2021
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#13 by Michel Marcus at Sat Nov 06 05:11:27 EDT 2021
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#12 by Michel Marcus at Sat Nov 06 05:10:50 EDT 2021
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| CROSSREFS
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Cf. A001221, A072875.
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| KEYWORD
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more,nonn
nonn,hard,more
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| STATUS
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approved
editing
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Discussion
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| Sat Nov 06
| 05:11
| Michel Marcus: came here because of new https://www.primepuzzles.net/puzzles/puzz_1062.htm
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#11 by N. J. A. Sloane at Thu Oct 19 03:14:21 EDT 2017
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| EXTENSIONS
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More terms from _Don Reble (djr(AT)nk.ca), _, Sep 13 2003
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Discussion
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| Thu Oct 19
| 03:14
| OEIS Server: https://oeis.org/edit/global/2703
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#10 by N. J. A. Sloane at Thu Dec 05 19:56:20 EST 2013
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| AUTHOR
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_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, Aug 30 2003
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Discussion
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| Thu Dec 05
| 19:56
| OEIS Server: https://oeis.org/edit/global/2075
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#9 by Russ Cox at Fri Mar 30 17:34:54 EDT 2012
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| EXTENSIONS
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a(7) from _Donovan Johnson (donovan.johnson(AT)yahoo.com), _, Mar 06 2008
a(8) from _Donovan Johnson (donovan.johnson(AT)yahoo.com), _, Jul 19 2011
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Discussion
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| Fri Mar 30
| 17:34
| OEIS Server: https://oeis.org/edit/global/163
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