login

A278596 as a simple table

na(n)
01
18
261
3462
43504
526664
6203632
71560416
811994112
992445184
10714258944
115530504192
1242905149440
13333427783680
142595170856960
1520227227279360
16157854186209280
171233319675822080
189646098160680960
1975517231288811520

[1,8,61,462,3504,26664,203632,1560416,11994112,
 92445184,714258944,5530504192,42905149440,
 333427783680,2595170856960,20227227279360,
 157854186209280,1233319675822080,9646098160680960,
 75517231288811520]