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 A276578 #6 Sep 18 2016 20:08:03 %S A276578 2,6,3,10,15,5,210,21,35,7,22,1155,55,77,11,858,39,5005,91,143,13, %T A276578 1870,3315,85,17017,187,221,17,9699690,5187,11305,133,46189,247,323, %U A276578 19,46,111546435,21505,33649,253,96577,391,437,23,4002,87,1078282205,50141,95381,377,215441,551,667,29,7130,13485,155,6685349671,133331,198679,527,392863,713,899,31 %N A276578 Transpose of square array A255483. %C A276578 See A255483. %H A276578 Antti Karttunen, <a href="/A276578/b276578.txt">Table of n, a(n) for n = 0..209; the first 20 antidiagonals of array</a> %o A276578 (Scheme) (define (A276578 n) (A255483bi (A025581 n) (+ 1 (A002262 n)))) ;; Code for A255483bi given in A255483. %Y A276578 Transpose: A255483. %Y A276578 Cf. A276579. %K A276578 nonn,tabl %O A276578 0,1 %A A276578 _Antti Karttunen_, Sep 18 2016