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A085303 Positions of 2 in A085301. 0

%I #7 Apr 06 2014 00:59:51

%S 1,2,7,10,14,17,20,23,27,30,33,37,40,43,47,50,53,57,60,63,67,70,73,77,

%T 80,84,87,90,94,97,101,104,108,111,114,118,121,125,128,132,135,139,

%U 142,146,149,153,156,160,164,167,171,174,178,181,185,188,192,196,199,203

%N Positions of 2 in A085301.

%F Solutions to {x; A085301(x)=2}.

%e In A085301(x)=2 means that between primorial[x-1] and primorial[x]

%e two distinct factorial-numbers arise:

%e between [9th,10th] primorials [12!,13! ],

%e between [13th,14th] primorials occur: [17!,18! ],

%e between [583rd,584th] primorials occur: [745!,746! ];

%e so 10,14,..,584 are here.

%Y Cf. A085301, A002110, A000142.

%K nonn

%O 1,2

%A _Labos Elemer_, Jun 26 2003

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)