login

A001366 as a simple table

na(n)
10
20
30
41
53
65
77
811
918
1022
1130
1236
1347
1456
1572
1682
1797
18111
19132
20145
21170
22186
23216
24240
25260
26290
27324
28360
29381
30420

[0,0,0,1,3,5,7,11,18,22,30,36,47,56,72,82,97,111,
 132,145,170,186,216,240,260,290,324,360,381,420]