login

A190019 as a simple table

na(n)
10
20
38
480
5404
61392
73880
89208
919536
1038096
1169288
12119224
13196036
14310008
15474336
16705328
171023216
181451904
192020232
202762848
213719420
224937200
236469424
248378184
2510734664
2613618168
2717119288
2821338760
2926390452
3032400592
3139508656
3247870200
3357655752

[0,0,8,80,404,1392,3880,9208,19536,38096,69288,
 119224,196036,310008,474336,705328,1023216,
 1451904,2020232,2762848,3719420,4937200,6469424,
 8378184,10734664,13618168,17119288,21338760,
 26390452,32400592,39508656,47870200,57655752]