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A253609 as a simple table

na(n)
12
24
33
46
55
69
714
819
911
1015
1129
1257
1394
1440
1522
1665
17171
18483
19269
20124
2123
22137
23549
242549
251996
261071
27187
2830
29277
301786

[2,4,3,6,5,9,14,19,11,15,29,57,94,40,22,65,171,
 483,269,124,23,137,549,2549,1996,1071,187,30,277,
 1786]