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.

A236021 Record values in A236020.

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%I A236021 #12 Nov 14 2016 03:25:44
%S A236021 1,2,4,6,12,24,36,60,72,120,180,240,360,420,720,840,1260,1680,2520,
%T A236021 5040,7560,10080,15120,20160,27720,30240,55440,65520,83160,110880,
%U A236021 166320,196560,221760,277200,332640,360360,393120,720720,831600,1441440,2162160,2882880
%N A236021 Record values in A236020.
%C A236021 Sequence of numbers from A236020 such that A236020(n) > A236020(k) for all k < n.
%C A236021 A236020 = natural numbers n sorted by increasing values of k(n) = log_tau(n) (sigma(n)), where sigma(n) = A000203(n) = the sum of divisors of n and tau(n) = A000005(n) = the number of divisors of n.
%C A236021 Conjecture: subsequence of A094348.
%Y A236021 Cf. A236020, A236022, A236023, A236024, A236025, A236026.
%K A236021 nonn
%O A236021 1,2
%A A236021 _Jaroslav Krizek_, Jan 18 2014
%E A236021 More terms from _Jon E. Schoenfield_, Nov 12 2016