login

A259817 as a simple table

na(n)
16
260
3402
42520
514502
681972
7444930
82395632
912587214
1065860188
11339003810
121740598344
138833106358
1444751148932

[6,60,402,2520,14502,81972,444930,2395632,
 12587214,65860188,339003810,1740598344,8833106358,
 44751148932]