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A015750 as a simple table

na(n)
01
11
21
32
42
52
63
74
84
96
108
119
1211
1314
1416
1519
1623
1727
1832
1938
2045
2153
2262
2372
2484
2597
26112
27130
28150
29172
30199
31228
32260
33298
34340
35386
36440
37500
38566
39642
40727
41820
42926
431044
441174
451321
461484
471664
481866
492090
502337
512613
522918
533254
543628
554041
564495

[1,1,1,2,2,2,3,4,4,6,8,9,11,14,16,19,23,27,32,38,
 45,53,62,72,84,97,112,130,150,172,199,228,260,298,
 340,386,440,500,566,642,727,820,926,1044,1174,
 1321,1484,1664,1866,2090,2337,2613,2918,3254,3628,
 4041,4495]