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A148945 as a simple table

na(n)
01
11
23
39
429
5104
6390
71482
85872
923670
1096862
11402409
121691824
137184785
1430771333
15132773241
16577026236
172521811081
1811077691844
1948908119250
20216832245702
21964920349669
224309740197244
2319311403519650
2486782764283827
25391070601747452
261766791977497850
278000592935633367
2836308193503404528

[1,1,3,9,29,104,390,1482,5872,23670,96862,402409,
 1691824,7184785,30771333,132773241,577026236,
 2521811081,11077691844,48908119250,216832245702,
 964920349669,4309740197244,19311403519650,
 86782764283827,391070601747452,1766791977497850,
 8000592935633367,36308193503404528]