A144894 Third column (m=3) of triangle A144891 (S1hat(5)).

1, 5, 55, 485, 4380, 39570, 421800, 4265100, 49455000, 594001800, 7784683200, 107814672000, 1624964544000, 25881953328000, 443107288512000, 8028628336512000, 154539996629760000, 3135393617489280000, 67045955961922560000, 1503619681171829760000, 35321502985569884160000

Offset: 0

Author

Wolfdieter Lang, Oct 09 2008

Keywords

• nonn
• easy

Crossrefs

Cf. A144891, A001720 (first column), A144893 (second column).

Formula

a(n) = A144891(n+3,3), n>=0.