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A240735 as a simple table

na(n)
01
11
21
32
42
53
64
75
86
98
1010
1113
1217
1321
1427
1535
1644
1756
1871
1990
20115
21146
22185
23235
24298
25378
26479
27607
28770
29977
301238
311570
321991
332525
343202
354060
365148
376527
388276
3910494
4013306
4116872
4221393
4327125
4434393
4543609
4655294
4770111
4888897
49112717
50142919

[1,1,1,2,2,3,4,5,6,8,10,13,17,21,27,35,44,56,71,
 90,115,146,185,235,298,378,479,607,770,977,1238,
 1570,1991,2525,3202,4060,5148,6527,8276,10494,
 13306,16872,21393,27125,34393,43609,55294,70111,
 88897,112717,142919]