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A231680 as a simple table

na(n)
00
11
23
36
410
515
621
728
829
931
1034
1138
1243
1349
1456
1564
1666
1769
1873
1978
2084
2191
2299
23108
24111
25115
26120
27126
28133
29141
30150
31160
32164
33169
34175
35182
36190
37199
38209
39220
40225
41231
42238
43246
44255
45265
46276
47288
48294
49301
50309
51318
52328
53339
54351
55364
56371
57379
58388
59398
60409
61421
62434
63448
64449
65451
66454
67458
68463
69469
70476
71484
72486
73489
74493
75498
76504
77511
78519
79528

[0,1,3,6,10,15,21,28,29,31,34,38,43,49,56,64,66,
 69,73,78,84,91,99,108,111,115,120,126,133,141,150,
 160,164,169,175,182,190,199,209,220,225,231,238,
 246,255,265,276,288,294,301,309,318,328,339,351,
 364,371,379,388,398,409,421,434,448,449,451,454,
 458,463,469,476,484,486,489,493,498,504,511,519,
 528]