login

A156449 as a simple table

na(n)
11
22
34
428
568
6788
72096
874764
9297215
1056568904
11378230514
12110049447136
131117730631388
14399699792848864
156285859127170900
162788382742936560544

[1,2,4,28,68,788,2096,74764,297215,56568904,
 378230514,110049447136,1117730631388,
 399699792848864,6285859127170900,
 2788382742936560544]