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 A069327 #12 Jan 07 2023 14:49:13 %S A069327 1,49,1632,46557,1225194,30754544,749866185,17950397258,424660442975, %T A069327 9969967594443,232909647253690,5423397612311731,126017939209370356, %U A069327 2924071505958808678,67786971099219351975,1570519781573431498844 %N A069327 Number of 5 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. %Y A069327 Row 5 of A359575. %Y A069327 Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 6 X n A069328, 7 X n A069329, 8 X n A069330, 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 A069327 nonn %O A069327 1,2 %A A069327 _R. H. Hardin_, Mar 16 2002