login

A168594 as a simple table

na(n)
01
11
23
36
420
570
6302
71386
86902
935862
10194202
111082642
126191680
1336141118
14214715244
151294849186
167911159522
1748888093910
18305165808290
191921992409066
2012202404037088
2178031629139246
22502263432618224
233252160882871210

[1,1,3,6,20,70,302,1386,6902,35862,194202,1082642,
 6191680,36141118,214715244,1294849186,7911159522,
 48888093910,305165808290,1921992409066,
 12202404037088,78031629139246,502263432618224,
 3252160882871210]