login

A307811 as a simple table

na(n)
01
149
22601
3148225
48970025
5570111129
637678303881
72567836387809
8179267329355625
912754414737348025
10921185098227422161
1167340346156989933769
124971327735657992896201
13369994703739586257235225
1427725052308247030792515625
152089567204521186409129541025

[1,49,2601,148225,8970025,570111129,37678303881,
 2567836387809,179267329355625,12754414737348025,
 921185098227422161,67340346156989933769,
 4971327735657992896201,369994703739586257235225,
 27725052308247030792515625,
 2089567204521186409129541025]