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A019147 as a simple table

na(n)
31
40
54
66
721
832
946
1088
11190
12468
131046
142370
156015
1612766
1733972
1881676
19202255
20504674
211275789
223206424
238249961
2421031764
2554337702
26140377742
27364430952
28948642166
292473160606
306456496008
3116874434634

[1,0,4,6,21,32,46,88,190,468,1046,2370,6015,12766,
 33972,81676,202255,504674,1275789,3206424,8249961,
 21031764,54337702,140377742,364430952,948642166,
 2473160606,6456496008,16874434634]