login

A146998 as a simple table

na(n)
11
21
31
41
51
63
78
823
961
10183
11609
123021
1317551
14122559
15936997
168112490
1777983308
18921842339
1913073413646
20221502161483
214341535999765
2298829117614873
232578684019463460
2479032276911025441

[1,1,1,1,1,3,8,23,61,183,609,3021,17551,122559,
 936997,8112490,77983308,921842339,13073413646,
 221502161483,4341535999765,98829117614873,
 2578684019463460,79032276911025441]