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A390937 as a simple table

na(n)
01
11
22
32
43
53
64
75
87
98
1012
1114
1217
1319
1423
1526
1629
1735
1840
1946
2050
2159
2267
2376
2486
2596
26105
27117
28127
29139
30151
31164
32177
33191
34204
35218
36230
37245
38258
39273
40287
41303
42317
43333
44347
45363
46377
47393
48407
49423
50437
51453
52467
53483
54497
55513
56527
57543
58557
59573
60587
61603
62617
63633
64647
65663

[1,1,2,2,3,3,4,5,7,8,12,14,17,19,23,26,29,35,40,
 46,50,59,67,76,86,96,105,117,127,139,151,164,177,
 191,204,218,230,245,258,273,287,303,317,333,347,
 363,377,393,407,423,437,453,467,483,497,513,527,
 543,557,573,587,603,617,633,647,663]