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.
%I A277709 #6 Oct 30 2016 13:46:11 %S A277709 1,2,5,3,10,13,4,39,26,29,9,20,75,58,41,6,21,52,147,82,61,7,78,45,116, %T A277709 207,122,85,8,11,150,93,164,291,170,125,81,40,19,294,189,244,411,250, %U A277709 173,18,105,104,35,414,381,340,579,346,209,23,42,165,232,67,582,657,500,819,418,253,12,43,90,213,328,131,822,765,692,927,506,281 %N A277709 Transpose of square array A277710. %C A277709 See A277710. %H A277709 Antti Karttunen, <a href="/A277709/b277709.txt">Table of n, a(n) for n = 1..1540; the first 55 antidiagonals of array</a> %H A277709 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %o A277709 (Scheme) (define (A277709 n) (A277710bi (A004736 n) (A002260 n))) ;; Code for A277710bi given in A277710. %Y A277709 Cf. A277710. %K A277709 nonn,tabl %O A277709 1,2 %A A277709 _Antti Karttunen_, Oct 29 2016