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A202998 as a simple table

na(n)
18
24
38
46
59
68
717
815
913
1012
1115
1214
1322
1420
1519
1618
1721
1820
1927
2026
2125
2224
2336
2435
2533
2632
2731
2830
2933
3032
3144
3242
3341
3440
3539
3638
3745
3844
3943
4042
4145
4244
4351
4450
4549
4648
4759
4858
4957
5056
5155
5254
5365
5464
5563
5662
5761
5860
5963
6062
6173
6272

[8,4,8,6,9,8,17,15,13,12,15,14,22,20,19,18,21,20,
 27,26,25,24,36,35,33,32,31,30,33,32,44,42,41,40,
 39,38,45,44,43,42,45,44,51,50,49,48,59,58,57,56,
 55,54,65,64,63,62,61,60,63,62,73,72]