login

A270717 as a simple table

na(n)
01
18
240
3184
4821
53476
613729
755756
8224073
9899188
103598033
1114415009
1257653973
13230694612
14922702724
153690959937

[1,8,40,184,821,3476,13729,55756,224073,899188,
 3598033,14415009,57653973,230694612,922702724,
 3690959937]