login

A275780 as a simple table

na(n)
01
11
22
34
412
543
6160
7668
83098
915465
1083100
11477651
122914505
1318795814
14127790544
15911448954
166808162094
1753067398065
18430956571977
193636314065247
2031841519540324
21288664242344692
222706949104147162
2326205222185730884
24261681461422075548
252691088457402830312

[1,1,2,4,12,43,160,668,3098,15465,83100,477651,
 2914505,18795814,127790544,911448954,6808162094,
 53067398065,430956571977,3636314065247,
 31841519540324,288664242344692,2706949104147162,
 26205222185730884,261681461422075548,
 2691088457402830312]