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A331933 as a simple table

na(n)
11
21
31
42
54
66
712
818
933
1052
1190
12142
13242
14384
15639
161028
171688
182716
194445
207161
2111665
2218839
2330595
2449434
2580199
26129637
27210079
28339750
29550228
30889978
311440909
322330887
333772845
346103823
359878357
3615982196
3725863454
3841845650
3967713550
40109559443

[1,1,1,2,4,6,12,18,33,52,90,142,242,384,639,1028,
 1688,2716,4445,7161,11665,18839,30595,49434,80199,
 129637,210079,339750,550228,889978,1440909,
 2330887,3772845,6103823,9878357,15982196,25863454,
 41845650,67713550,109559443]