login

A298539 as a simple table

na(n)
11
21
31
43
56
615
735
889
9218
10571
111446
123834
1310003
1426864
1571120
16193602
17519409
181423539
193865590
2010666555
2129185905
2281078369
23223367624
24623192655
251727907182
264840616872
2713482957335
2837923616139
29106070402639
30299214369115
31840217034149

[1,1,1,3,6,15,35,89,218,571,1446,3834,10003,26864,
 71120,193602,519409,1423539,3865590,10666555,
 29185905,81078369,223367624,623192655,1727907182,
 4840616872,13482957335,37923616139,106070402639,
 299214369115,840217034149]