login

A130315 as a simple table

na(n)
10
20
30
40
51
60
70
80
92
106
1120
1238
13280
142900
1528399
16293059
173833587
1860167732

[0,0,0,0,1,0,0,0,2,6,20,38,280,2900,28399,293059,
 3833587,60167732]