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A246515 as a simple table

na(n)
11
22
34
49
510
611
712
813
914
1015
1118
1219
1322
1423
1525
1626
1727
1830
1937
2038
2140
2241
2342
2444
2545
2648
2751
2852
2953
3054
3155
3256
3358
3459
3564
3667
3768
3870
3971
4072
4173
4274
4379
4482
4583
4684
4786
4888
4989
5093

[1,2,4,9,10,11,12,13,14,15,18,19,22,23,25,26,27,
 30,37,38,40,41,42,44,45,48,51,52,53,54,55,56,58,
 59,64,67,68,70,71,72,73,74,79,82,83,84,86,88,89,
 93]