login

A217203 as a simple table

na(n)
10
21
32
47
528
6131
7690
84033
925864
10180265
111354458
1210898823
1393407828
14848739867
158143768538
1682229315137
17871067808272
189654457636241
19111688595475634
201345725966256071
2116854833617813388
22219050429104638707
232949276326665620482
2441076923039499915393

[0,1,2,7,28,131,690,4033,25864,180265,1354458,
 10898823,93407828,848739867,8143768538,
 82229315137,871067808272,9654457636241,
 111688595475634,1345725966256071,
 16854833617813388,219050429104638707,
 2949276326665620482,41076923039499915393]