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A150335 as a simple table

na(n)
01
12
27
323
484
5320
61262
75098
821051
987729
10371394
111584946
126832849
1329666458
14129708627
15570060258
162519251688
1711178295951
1849819703001
19222797463880
20999874253662
214500199157553
2220313008617526
2391912052460063
24416903349368491
251894989864295280
268631524632718693
2739387758710865188

[1,2,7,23,84,320,1262,5098,21051,87729,371394,
 1584946,6832849,29666458,129708627,570060258,
 2519251688,11178295951,49819703001,222797463880,
 999874253662,4500199157553,20313008617526,
 91912052460063,416903349368491,1894989864295280,
 8631524632718693,39387758710865188]