login

A007225 as a simple table

na(n)
52
612
752
8232
9952
103888
1115504
1261333
13240350
14937508
153641820
1614112560
1754587280
18210907168
19814278240
203142611402
2112126758436
2246796872472
23180619420520
24697320058864
252693097842512
2610405151052320
2740219629005920

[2,12,52,232,952,3888,15504,61333,240350,937508,
 3641820,14112560,54587280,210907168,814278240,
 3142611402,12126758436,46796872472,180619420520,
 697320058864,2693097842512,10405151052320,
 40219629005920]