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A191529 as a simple table

na(n)
01
10
21
30
42
51
66
75
820
921
1070
1184
12252
13330
14924
151287
163432
175005
1812870
1919448
2048620
2175582
22184756
23293930
24705432
251144066
262704156
274457400
2810400600
2917383860
3040116600
3167863915
32155117520
33265182525
34601080390
351037158320
362333606220
374059928950
389075135300

[1,0,1,0,2,1,6,5,20,21,70,84,252,330,924,1287,
 3432,5005,12870,19448,48620,75582,184756,293930,
 705432,1144066,2704156,4457400,10400600,17383860,
 40116600,67863915,155117520,265182525,601080390,
 1037158320,2333606220,4059928950,9075135300]