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A074556 as a simple table

na(n)
03
117
2109
3755
45473
540787
6309529
72379275
818463393
9144315107
101134267049
118952908795
1270896790513
13562818102227
144476415458169
1535654571422315
16284296129664833
172268726602270147
1818115958853570889
19144724548978127835

[3,17,109,755,5473,40787,309529,2379275,18463393,
 144315107,1134267049,8952908795,70896790513,
 562818102227,4476415458169,35654571422315,
 284296129664833,2268726602270147,
 18115958853570889,144724548978127835]