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 A228717 #17 Jun 02 2025 08:37:43 %S A228717 1,1,0,1,1,0,2,1,1,0,3,3,1,1,0,4,4,3,1,1,0,8,7,5,3,1,1,0,12,10,8,5,3, %T A228717 1,1,0,17,17,13,9,5,3,1,1,0,27,25,20,14,9,5,3,1,1,0,40,37,31,23,15,9, %U A228717 5,3,1,1,0 %N A228717 Triangle read by rows taken from Garvan's paper (see slides 28, 29). %H A228717 Frank Garvan, <a href="http://www.combinatorics.net/conf/A75/Slides/02_03_Garvan.pdf">Dyson's rank function and Andrews's SPT-function</a>, slides 28, 29. %e A228717 Triangle begins: %e A228717 1; %e A228717 1, 0; %e A228717 1, 1, 0; %e A228717 2, 1, 1, 0; %e A228717 3, 3, 1, 1, 0; %e A228717 4, 4, 3, 1, 1, 0; %e A228717 8, 7, 5, 3, 1, 1, 0; %e A228717 12, 10, 8, 5, 3, 1, 1, 0; %e A228717 17, 17, 13, 9, 5, 3, 1, 1, 0; %e A228717 27, 25, 20, 14, 9, 5, 3, 1, 1, 0; %e A228717 40, 37, 31, 23, 15, 9, 5, 3, 1, 1, 0; %e A228717 ... %Y A228717 Cf. A092269, A195011, A195012, A209616, A228718. %K A228717 nonn,tabl %O A228717 1,7 %A A228717 _Omar E. Pol_, Sep 22 2013 %E A228717 Suggested by Frank Garvan.