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A004158 as a simple table

na(n)
00
11
23
36
41
551
612
782
863
954
1055
1166
1287
1319
14501
1521
16631
17351
18171
1991
2012
21132
22352
23672
243
25523
26153
27873
28604
29534
30564
31694
32825
33165
34595
3536
36666
37307
38147
3987
4028
41168
42309
43649
4499
455301
461801
478211
486711
495221
505721
516231
528731
531341
545841
55451

[0,1,3,6,1,51,12,82,63,54,55,66,87,19,501,21,631,
 351,171,91,12,132,352,672,3,523,153,873,604,534,
 564,694,825,165,595,36,666,307,147,87,28,168,309,
 649,99,5301,1801,8211,6711,5221,5721,6231,8731,
 1341,5841,451]