login

A369431 as a simple table

na(n)
01
11
22
36
420
566
6214
7688
82206
97070
1022660
1172634
12232830
13746352
142392486
157669286
1624584436
1778807122
18252621702
19809796400
202595858574

[1,1,2,6,20,66,214,688,2206,7070,22660,72634,
 232830,746352,2392486,7669286,24584436,78807122,
 252621702,809796400,2595858574]