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Search: id:A051730
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| 2, 4, 6, 7, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 24, 25, 26, 30, 31, 32, 33, 34, 35, 36, 40, 42, 43, 44, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 96, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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23 is 4 units away from the closest prime (not including itself), so 4 is in the sequence.
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PROGRAM
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(UBASIC) [10] C#=pack(3, 5):R=2:N=4:print 2; [20] if N>member(C#, 2) then C#=pack(member( C#, 2)):C#=C#+nxtprm(member(C#, 1)) [30] Prv=member(C#, 1):Nxt=member(C#, 2) [40] if Nxt=N then Nxt=nxtprm(N) [50] if (N-Prv)>=(Nxt-N) then P=Nxt-N else P=N-Prv [60] if P>R then print P; :R=P [70] N+=1 :goto 20
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CROSSREFS
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Related sequences: A023186-A023188, A046929-A046931, A051650, A051652, A051697-A051702, A051728-A051730.
Sequence in context: A070119 A070125 A029501 this_sequence A070317 A138398 A086781
Adjacent sequences: A051727 A051728 A051729 this_sequence A051731 A051732 A051733
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KEYWORD
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nonn,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 23 1999 and from Jud McCranie (j.mccranie(AT)comcast.net), Jun 16 2000. Further terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), Jun 21 2001
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