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A243209 as a simple table

na(n)
31
425
5186
6881
73146
89264
923810
1055058
11117205
12233135
13438544
14786541
151354696
162252202
173630684
185694984
198718963
2013060515
2119184110
2227681103
2339300096
2454974216
2575861038
26103377456
27139251749
28185567453
29244828780
30320015885
31414665890
32532940080

[1,25,186,881,3146,9264,23810,55058,117205,233135,
 438544,786541,1354696,2252202,3630684,5694984,
 8718963,13060515,19184110,27681103,39300096,
 54974216,75861038,103377456,139251749,185567453,
 244828780,320015885,414665890,532940080]