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 A069300 #11 Apr 25 2024 15:48:25 %S A069300 2378,2396868,1771648672,1130534931080,665580139683936, %T A069300 373423075547578456,203239076083010593472,108443838410200501279708, %U A069300 57104283197019200756790188,29803331617203085845704313992,15460814292574112201614850454092,7987403217621240109184116174886680 %N A069300 Number of n X 9 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column. %Y A069300 Cf. n X 2 A002450, n X 3 A069294, n X 4 A069295, n X 5 A069296, n X 6 A069297, n X 7 A069298, n X 8 A069299, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320. %K A069300 nonn %O A069300 2,1 %A A069300 _R. H. Hardin_, Mar 14 2002 %E A069300 a(7)-a(13) from _Sean A. Irvine_, Apr 25 2024