login

A172965 as a simple table

na(n)
10
20
36
4240
51010
64056
712068
830000
965628
10130480
11240856
12418968
13694200
141104488
151697820
162533856
173685668
185241600
197307248
2010007560
2113489056
2217922168
2323503700
2430459408
2539046700
2649557456
2762320968
2877707000
2996128968
30118047240
31143972556

[0,0,6,240,1010,4056,12068,30000,65628,130480,
 240856,418968,694200,1104488,1697820,2533856,
 3685668,5241600,7307248,10007560,13489056,
 17922168,23503700,30459408,39046700,49557456,
 62320968,77707000,96128968,118047240,143972556]