login

A121365 as a simple table

na(n)
11
21
31
42
59
643
7185
8732
92737
109845
1134449
12118102
13398585
141328607
154384393
1614348912
1746633953
18150663529
19484275617
201549681962
214939611241
2215690529811
2349686677721
24156905298052
25494251688849

[1,1,1,2,9,43,185,732,2737,9845,34449,118102,
 398585,1328607,4384393,14348912,46633953,
 150663529,484275617,1549681962,4939611241,
 15690529811,49686677721,156905298052,494251688849]