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A261615 as a simple table

na(n)
01
12
21
30
42
54
62
72
85
94
103
118
1210
136
149
1514
1611
1714
1822
1918
2017
2130
2232
2328
2441
2546
2639
2754
2868
2960
3073
3194
3285
3396
34131
35128
36130
37170
38175
39176
40229
41246
42237
43294
44330
45320
46386
47446
48430
49492
50582
51578
52642
53762
54763
55818
56977
571008
581061
591254
601311

[1,2,1,0,2,4,2,2,5,4,3,8,10,6,9,14,11,14,22,18,17,
 30,32,28,41,46,39,54,68,60,73,94,85,96,131,128,
 130,170,175,176,229,246,237,294,330,320,386,446,
 430,492,582,578,642,762,763,818,977,1008,1061,
 1254,1311]