A233534 Fourth column of triangle A233530.

1, 4, 18, 112, 953, 10500, 143308, 2342284, 44677494, 974898636, 23957348188, 654735747960, 19696461781336, 646719936551000, 23011823302544368, 881974963187446672, 36221318006594087010, 1586737195260479665112, 73850241923431162931872, 3638980616346240786818936

Offset: 1

Author

Paul D. Hanna, Dec 14 2013

Keywords

• nonn

Crossrefs

Cf. A233530, A233531, A233532, A233533, A233535.