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A191813 as a simple table

na(n)
01
11
21
31
42
510
646
7166
8504
91425
104256
1114594
1255783
13220903
14873199
153436817
1613569556
1753929244
18215352055
19861477251
203446980935
2113792641374
2255203566064
23221112089602
24887538377345
253580304912835
2614573568107348

[1,1,1,1,2,10,46,166,504,1425,4256,14594,55783,
 220903,873199,3436817,13569556,53929244,215352055,
 861477251,3446980935,13792641374,55203566064,
 221112089602,887538377345,3580304912835,
 14573568107348]