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 A069330 #11 Apr 27 2024 16:40:02 %S A069330 1,696,251261,71316632,17950397258,4204804906873,939356338522456, %T A069330 203037531986079710,42856467943438387389,8890050748561149390768, %U A069330 1820486395967688826354303,369211160728496631061072520,74336348859792978822695533158 %N A069330 Number of 8 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. %Y A069330 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, 9 X n A069331, 10 X n A069332, 11 X n A069333, 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 A069330 nonn %O A069330 1,2 %A A069330 _R. H. Hardin_, Mar 16 2002 %E A069330 a(7)-a(13) from _Sean A. Irvine_, Apr 27 2024