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A024620 as a simple table

na(n)
12
23
35
46
59
610
712
813
914
1017
1118
1220
1321
1422
1523
1625
1726
1827
1929
2030
2131
2232
2334
2435
2536
2637
2738
2839
2940
3041
3144
3246
3347
3448
3549
3650
3751
3852
3953
4055
4156
4257
4358
4459
4560
4661
4762
4863
4964
5065
5166
5267
5368
5470
5572
5673
5774
5875
5976
6077
6178
6280
6381
6482
6583
6684
6785
6886
6988
7089
7190
7291
7393
7494

[2,3,5,6,9,10,12,13,14,17,18,20,21,22,23,25,26,27,
 29,30,31,32,34,35,36,37,38,39,40,41,44,46,47,48,
 49,50,51,52,53,55,56,57,58,59,60,61,62,63,64,65,
 66,67,68,70,72,73,74,75,76,77,78,80,81,82,83,84,
 85,86,88,89,90,91,93,94]