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A309961 as a simple table

na(n)
16
27
39
412
513
615
717
820
922
1026
1128
1231
1333
1434
1535
1642
1743
1848
1949
2050
2151
2253
2356
2458
2561
2662
2763
2867
2968
3069
3170
3271
3372
3475
3578
3679
3784
3885
3987
4089
4190
4292
4394
4496
4597
4698
47103
48104
49105
50106
51107
52114
53115
54117
55120
56123
57130
58133
59134
60136
61139
62140
63141
64142
65143
66151

[6,7,9,12,13,15,17,20,22,26,28,31,33,34,35,42,43,
 48,49,50,51,53,56,58,61,62,63,67,68,69,70,71,72,
 75,78,79,84,85,87,89,90,92,94,96,97,98,103,104,
 105,106,107,114,115,117,120,123,130,133,134,136,
 139,140,141,142,143,151]