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 A069333 #12 Apr 27 2024 23:22:03 %S A069333 1,9800,37327007,101161197895,232909647253690,488256657363269300, %T A069333 963147644297772022870,1820486395967688826354303, %U A069333 3334133239588212397398261473,5961170413774886320235399363515,10460300685270373054347943215411456,18085468170671030045687927149819479504 %N A069333 Number of 11 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. %Y A069333 Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344. %K A069333 nonn %O A069333 1,2 %A A069333 _R. H. Hardin_, Mar 16 2002 %E A069333 a(6)-a(12) from _Sean A. Irvine_, Apr 27 2024