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A049900 as a simple table

na(n)
11
22
31
43
56
612
724
843
968
10159
11318
12631
131244
142444
154638
168350
1713306
1831249
1962498
20124991
21249964
22499884
23999518
241998110
253992826
267976984
2715904776
2831622086
2962494618
30121995928
31232079906
32417569970
33665554652
341563189209
353126378418
366252756831
3712505513644

[1,2,1,3,6,12,24,43,68,159,318,631,1244,2444,4638,
 8350,13306,31249,62498,124991,249964,499884,
 999518,1998110,3992826,7976984,15904776,31622086,
 62494618,121995928,232079906,417569970,665554652,
 1563189209,3126378418,6252756831,12505513644]