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A049956 as a simple table

na(n)
11
22
33
47
516
630
762
8137
9320
10579
111160
122333
134712
149682
1520204
1643960
17103412
18186621
19373244
20746501
211493048
222986354
235973548
2411950648
2523916788
2647916784
2796103400
28193326604
29391133708
30800210656
311672607924

[1,2,3,7,16,30,62,137,320,579,1160,2333,4712,9682,
 20204,43960,103412,186621,373244,746501,1493048,
 2986354,5973548,11950648,23916788,47916784,
 96103400,193326604,391133708,800210656,1672607924]