login

A148042 as a simple table

na(n)
01
11
22
33
48
519
657
7165
8535
91700
105761
1119596
1269357
13247143
14904969
153344222
1612578803
1747771691
18183784047
19713153652
202795057882
2111038817438
2243945343994
23176118626035
24710510882943
252883088313211
2611764647473938
2748250711908615
28198849105981280
29823144145532963
303421816206647552

[1,1,2,3,8,19,57,165,535,1700,5761,19596,69357,
 247143,904969,3344222,12578803,47771691,183784047,
 713153652,2795057882,11038817438,43945343994,
 176118626035,710510882943,2883088313211,
 11764647473938,48250711908615,198849105981280,
 823144145532963,3421816206647552]