login

A228850 as a simple table

na(n)
12
25
3109
4751
53313
65807
713219
873699
9453703
10500173
116948787
128281531
1326331749
1430344651
15259777993
16272281423
17438570997
18859045237
191037916329
203321659639
213984295199
2212252988661

[2,5,109,751,3313,5807,13219,73699,453703,500173,
 6948787,8281531,26331749,30344651,259777993,
 272281423,438570997,859045237,1037916329,
 3321659639,3984295199,12252988661]