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 A169941 #4 Mar 30 2012 16:51:46 %S A169941 1,1,1,1,0,3,1,1,3,3,1,0,6,4,5,1,1,6,10,7,7,1,0,9,6,27,8,13,1,1,9,17, %T A169941 23,41,21,15,1,0,12,8,56,34,98,20,27,1,1,12,22,50,104,96,148,53,25,1, %U A169941 0,15,10,96,66,294,116,325,56,45,1,1,15,27,86,184,262,518,319 %N A169941 Triangle read by rows: A169940 with rows reversed. %H A169941 <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a> %F A169941 Wanted: a recurrence. Are any of A169940-A169954 related to any other entries in the OEIS? %e A169941 Triangle begins: %e A169941 [1] %e A169941 [1, 1] %e A169941 [1, 0, 3] %e A169941 [1, 1, 3, 3] %e A169941 [1, 0, 6, 4, 5] %e A169941 [1, 1, 6, 10, 7, 7] %e A169941 [1, 0, 9, 6, 27, 8, 13] %e A169941 [1, 1, 9, 17, 23, 41, 21, 15] %e A169941 [1, 0, 12, 8, 56, 34, 98, 20, 27] %e A169941 [1, 1, 12, 22, 50, 104, 96, 148, 53, 25] %e A169941 [1, 0, 15, 10, 96, 66, 294, 116, 325, 56, 45] %e A169941 [1, 1, 15, 27, 86, 184, 262, 518, 319, 487, 89, 59] %e A169941 [1, 0, 18, 12, 143, 112, 608, 346, 1279, 434, 942, 112, 89] %e A169941 [1, 1, 18, 32, 131, 291, 528, 1166, 1153, 2181, 1042, 1348, 197, 103] %e A169941 [1, 0, 21, 14, 199, 168, 1083, 720, 3313, 1568, 4981, 1320, 2613, 220, 163] %e A169941 ... %Y A169941 Related to thickness: A169940-A169954, A061909. %K A169941 nonn,tabl %O A169941 1,6 %A A169941 _N. J. A. Sloane_, Aug 01 2010