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A261633 as a simple table

na(n)
01
13
23
31
43
59
69
76
812
918
1015
1121
1237
1336
1433
1555
1669
1766
1890
19117
20111
21136
22195
23204
24217
25294
26330
27342
28447
29531
30541
31657
32804
33839
34978
351215
361288
371419
381755
391936
402094
412535
422846
433027
443588
454123
464392
475073
485869
496261
507080

[1,3,3,1,3,9,9,6,12,18,15,21,37,36,33,55,69,66,90,
 117,111,136,195,204,217,294,330,342,447,531,541,
 657,804,839,978,1215,1288,1419,1755,1936,2094,
 2535,2846,3027,3588,4123,4392,5073,5869,6261,7080]