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A251532 as a simple table

na(n)
11
23
36
47
57
69
715
818
921
1021
1127
1231
1336
1442
1542
1647
1754
1862
1970
2070
2177
2285
2395
24105
25109
26117
27126
28136
29147
30155
31166
32176
33187
34199
35210
36222
37235
38247
39260
40274
41287
42301
43316
44330
45345
46361
47376
48392
49409
50425
51442
52460
53477
54495
55514
56532
57551
58571

[1,3,6,7,7,9,15,18,21,21,27,31,36,42,42,47,54,62,
 70,70,77,85,95,105,109,117,126,136,147,155,166,
 176,187,199,210,222,235,247,260,274,287,301,316,
 330,345,361,376,392,409,425,442,460,477,495,514,
 532,551,571]