login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A233174 as a triangular array

1
13
3811
10808048
368002688896236
13685767833696256104961248
528926722469888793804834979841249286896
2080100966476447744736362496808583168127533056149504039168
825611018240

A233174 as a square array

113103613652820808256
3880800857692672100966411018240
1180268878336246988876447744
48896962567938048736362496
236104963497984808583168
1248124928127533056
68961495040
39168
113103613652820808256
3880800857692672100966411018240
1180268878336246988876447744
48896962567938048736362496
236104963497984808583168
1248124928127533056
68961495040
39168