login

A162977 as a simple table

na(n)
11
22
31
44
515
662
7257
81384
97679
1050522
11346113
122702764
1322022143
14199360982
151881735169
1619391512144
17207983607807
182404879675442
1928880901505025
20370371188237524
214922617151619071
2269348874393137902
231010501269355233281

[1,2,1,4,15,62,257,1384,7679,50522,346113,2702764,
 22022143,199360982,1881735169,19391512144,
 207983607807,2404879675442,28880901505025,
 370371188237524,4922617151619071,
 69348874393137902,1010501269355233281]