login

A248603 as a simple table

na(n)
01
11
23
36
419
556
6186
7615
82127
97467
1026720
1196801
12354901
131313293
144900266
1518413166
1669620351
17264673536
181011100541
193879382837
2014942671683
2157760251344
22223988614094
23871159201568
243397330833310
2513281696243924
2652042973504510
27204357290336561
28804029764090404

[1,1,3,6,19,56,186,615,2127,7467,26720,96801,
 354901,1313293,4900266,18413166,69620351,
 264673536,1011100541,3879382837,14942671683,
 57760251344,223988614094,871159201568,
 3397330833310,13281696243924,52042973504510,
 204357290336561,804029764090404]