A233533 Third column of triangle A233530.

1, 3, 9, 40, 264, 2379, 27568, 392895, 6663624, 131211423, 2943137604, 74087543634, 2068127523264, 63395972293650, 2116776180704988, 76462961271015326, 2970720383283042732, 123517218432709179030, 5472063213488927240290, 257315864404023900340860, 12799687840583182179921204

Offset: 1

Author

Paul D. Hanna, Dec 14 2013

Keywords

• nonn

Crossrefs

Cf. A233530, A233531, A233532, A233534, A233535.