cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A276706 Indices of records in A249860.

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%I A276706 #8 Sep 20 2016 13:35:56
%S A276706 1,2,4,5,6,7,8,10,14,16,20,22,26,28,32,34,38,40,44,46,50,52,56,58,62,
%T A276706 64,68,70,74,76,80,82,86,88,92,94,98,100,104,106,110,112,116,118,122,
%U A276706 124,128,130,134,136,140,142,146,148,152,154,158,160,164,166
%N A276706 Indices of records in A249860.
%C A276706 The records corresponding to the indices are in A276705.
%F A276706 Conjectures: (Start)
%F A276706 a(n) = a(n-1)+a(n-2)-a(n-3) for n>3.
%F A276706 a(n) = (6*n-27-(-1)^n)/2 for n>6.
%F A276706 G.f.: x*(1+x+x^2-x^4+x^7+3*x^8) / ((1-x)^2*(1+x)).
%F A276706 (End)
%o A276706 (PARI) lista(nn) = {rec = 0; for (n=1, nn, an = lcm(n-3, n+3); if (an > rec, rec = an; print1(n, ", ")););} \\ _Michel Marcus_, Sep 16 2016
%Y A276706 Cf. A249860, A276705.
%K A276706 nonn
%O A276706 1,2
%A A276706 _Colin Barker_, Sep 15 2016