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A016029 as a simple table

na(n)
11
21
32
45
510
619
738
877
9154
10307
11614
121229
132458
144915
159830
1619661
1739322
1878643
19157286
20314573
21629146
221258291
232516582
245033165
2510066330
2620132659
2740265318
2880530637
29161061274
30322122547
31644245094

[1,1,2,5,10,19,38,77,154,307,614,1229,2458,4915,
 9830,19661,39322,78643,157286,314573,629146,
 1258291,2516582,5033165,10066330,20132659,
 40265318,80530637,161061274,322122547,644245094]