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#11 by OEIS Server at Thu Jun 06 03:48:52 EDT 2024
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Amiram Eldar, <a href="/A082508/b082508_1.txt">Table of n, a(n) for n = 1..10000</a>
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#10 by Peter Luschny at Thu Jun 06 03:48:52 EDT 2024
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Discussion
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| Thu Jun 06
| 03:48
| OEIS Server: Installed first b-file as b082508.txt.
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#9 by Michel Marcus at Thu Jun 06 01:32:31 EDT 2024
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#8 by Amiram Eldar at Thu Jun 06 01:02:17 EDT 2024
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#7 by Amiram Eldar at Thu Jun 06 00:37:54 EDT 2024
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Amiram Eldar, <a href="/A082508/b082508_1.txt">Table of n, a(n) for n = 1..10000</a>
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#6 by Amiram Eldar at Thu Jun 06 00:37:40 EDT 2024
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Differences between consecutive primes that are powers of 2 in order of their appearance. Differences the are not powers of 2 are deleted from A001223.
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a(n) = A001223(A061771(n)). - Amiram Eldar, Jun 06 2024
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(PARI) lista(pmax) = {my(p1 = 2, gap); forprime(p2 = 3, pmax, gap = p2 - p1; if(gap >> valuation(gap, 2) == 1, print1(gap, ", ")); p1 = p2); } \\ Amiram Eldar, Jun 06 2024
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Cf. A001223, A061771.
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| STATUS
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approved
editing
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#5 by N. J. A. Sloane at Tue Oct 15 22:31:56 EDT 2013
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| AUTHOR
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_Labos E. (labos(AT)ana.sote.hu), Elemer_, Apr 28 2003
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Discussion
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| Tue Oct 15
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| OEIS Server: https://oeis.org/edit/global/2029
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#4 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006
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Do[s=Log[2, , Prime[n+1]-Prime[n]]; If[IntegerQ[s], ], Print[Prime[n+1]]], {]]], {n, , 1, , 1000}]
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nonn,new
nonn
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#3 by N. J. A. Sloane at Tue Jan 24 03:00:00 EST 2006
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nonn,new
nonn
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Labos E. (labos(AT)ana1ana.sote.hu), Apr 28 2003
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#2 by N. J. A. Sloane at Thu Feb 19 03:00:00 EST 2004
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| NAME
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Differences between consecutive primes that beingare powers of 2 in order of their appearence.appearance. Differences not powers of 2 are deleted from A001223.
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| KEYWORD
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nonn,new
nonn
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