Search: id:A130826
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%I A130826
%S A130826 4,8,15,16,23,42,55,200,81,46,119,192,205,196622,12303,88,449,558,127,
%T A130826 1748,786453,58,2183,3096,1105,786458,12582939,568,2189,2730,9247,572,
%U A130826 8673,3106,2195,8676,145,110630,3819,2200,786473,20202,79,7604,7077933
%N A130826 a(n) is the smallest number such that twice the number of divisors of 
               (a(n)-n)/3 gives the n-th term in the first differences of the sequence 
               produced by the Flavius-Josephus sieve, A000960.
%C A130826 The first six terms in the sequence are those from the T.V. show Lost.
%D A130826 M. E. Andersson, Das Flaviussche Sieb, Acta Arith., 85 (1998), 301-307.
%D A130826 V. Gardiner, R. Lazarus, N. Metropolis and S. Ulam, On certain sequences 
               of integers defined by sieves, Math. Mag., 29 (1955), 117-119.
%e A130826 a(8)=200 because the 8th term in A056526 is 14. Half of that is 7. The 
               smallest number with seven divisors is 64 and 64*3 + 8 = 200.
%Y A130826 Cf. A000960, A056526, A104101.
%Y A130826 Sequence in context: A124743 A112312 A076343 this_sequence A104101 A136403 
               A071422
%Y A130826 Adjacent sequences: A130823 A130824 A130825 this_sequence A130827 A130828 
               A130829
%Y A130826 Cf. A005179. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Nov 27 
               2009]
%K A130826 dumb,nonn,new
%O A130826 1,1
%A A130826 Stephen Casey (hexomino(AT)gmail.com), Jul 17 2007
%E A130826 Corrected and extended by Alois P. Heinz (heinz(AT)hs-heilbronn.de), 
               Nov 27 2009

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