login

A156831 as a simple table

na(n)
11
22
36
420
566
6188
7466
81022
92098
104032
117342
1213090
1322726
1438824
1565286
16108902
17179762

[1,2,6,20,66,188,466,1022,2098,4032,7342,13090,
 22726,38824,65286,108902,179762]