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A113689 as a simple table

na(n)
10
20
32
46
59
613
717
821
923
1031
1137
1245
1354
1459
1572
1677
1783
1893
19104
20116
21125
22140
23150
24164
25180
26188
27203
28219
29236
30255
31272
32287
33301
34317
35334
36354
37378
38403
39419
40430
41450
42475
43498
44521
45542
46560
47588
48608
49626
50652
51677
52698

[0,0,2,6,9,13,17,21,23,31,37,45,54,59,72,77,83,93,
 104,116,125,140,150,164,180,188,203,219,236,255,
 272,287,301,317,334,354,378,403,419,430,450,475,
 498,521,542,560,588,608,626,652,677,698]