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%I #7 Apr 07 2021 19:01:06
%S 1,27304196,120418887728947,273114307102338469932
%N 20 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
%Y 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, 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, n X n A069343, n X n symmetric A069344.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 16 2002
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