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 A277819 #9 Nov 05 2016 07:26:10 %S A277819 1,2,3,7,6,5,4,9,10,15,13,12,27,30,17,14,23,20,45,34,51,11,18,57,60, %T A277819 119,102,85,8,29,54,75,68,153,170,255,25,24,39,90,221,204,427,510,257, %U A277819 26,43,40,105,238,359,340,765,514,771,31,46,125,120,187,306,937,1020,1799,1542,1285,28,33,114,135,136,461,854,1275,1028,2313,2570,3855 %N A277819 Transpose of square array A277820. %C A277819 See A277820. %H A277819 Antti Karttunen, <a href="/A277819/b277819.txt">Table of n, a(n) for n = 1..3321; the first 81 antidiagonals of the array</a> %H A277819 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %H A277819 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A277819 The top left 10 x 10 corner of the array: %e A277819 1, 2, 7, 4, 13, 14, 11, 8, 25, 26 %e A277819 3, 6, 9, 12, 23, 18, 29, 24, 43, 46 %e A277819 5, 10, 27, 20, 57, 54, 39, 40, 125, 114 %e A277819 15, 30, 45, 60, 75, 90, 105, 120, 135, 150 %e A277819 17, 34, 119, 68, 221, 238, 187, 136, 393, 442 %e A277819 51, 102, 153, 204, 359, 306, 461, 408, 667, 718 %e A277819 85, 170, 427, 340, 937, 854, 599, 680, 1965, 1874 %e A277819 255, 510, 765, 1020, 1275, 1530, 1785, 2040, 2295, 2550 %e A277819 257, 514, 1799, 1028, 3341, 3598, 2827, 2056, 6425, 6682 %e A277819 771, 1542, 2313, 3084, 5911, 4626, 7453, 6168, 11051, 11822 %o A277819 (Scheme) (define (A277819 n) (A277820bi (A004736 n) (A002260 n))) ;; Code for A277820bi given in A277820. %Y A277819 Transpose: A277820. %Y A277819 Row 1: A065621, row 2: A277823. %Y A277819 Column 1: A001317. %Y A277819 Cf. A048724, A099884. %K A277819 nonn,base,tabl %O A277819 1,2 %A A277819 _Antti Karttunen_, Nov 01 2016