login

A047197 as a simple table

na(n)
10
20
30
40
50
60
70
80
96
107
118
1232
1336
1440
15100
16110
17120
18306
19338
20371
211127
221260
231400
244256
254760
265292
2715180
2816929
2918780
3053700
3159920
3266550
33195052
34218086
35242792
36716210
37801350
38892970
392618486
402929563
413265171

[0,0,0,0,0,0,0,0,6,7,8,32,36,40,100,110,120,306,
 338,371,1127,1260,1400,4256,4760,5292,15180,16929,
 18780,53700,59920,66550,195052,218086,242792,
 716210,801350,892970,2618486,2929563,3265171]