login

A215241 as a simple table

na(n)
11
21
31
43
54
61
718
826
99
101
11172
12256
1399
1416
151
162313
173489
181416
19264
2025
211
2240626
2361696
2425650
255120
26575
2736
281
29887326
301352518
31569772
32117980
3314450
341098
3549
361
3723282964
3835566368
3915099042
403193728
41410850
4234608
431911
4464
451
46715540140
471094499820
48466865280
49100049120
5013259705
511186857
5273696
533104
5481
551

[1,1,1,3,4,1,18,26,9,1,172,256,99,16,1,2313,3489,
 1416,264,25,1,40626,61696,25650,5120,575,36,1,
 887326,1352518,569772,117980,14450,1098,49,1,
 23282964,35566368,15099042,3193728,410850,34608,
 1911,64,1,715540140,1094499820,466865280,
 100049120,13259705,1186857,73696,3104,81,1]