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A261050 as a simple table

na(n)
01
11
21
33
45
510
619
736
867
9127
10236
11438
12811
131496
142750
155046
169224
1716827
1830630
1955623
20100803
21182342
22329205
23593326
241067591
251917885
263440207
276162004
2811021921
2919688757
3035126020
3162590629
32111398910
33198044551
34351700332
35623918086
361105715149

[1,1,1,3,5,10,19,36,67,127,236,438,811,1496,2750,
 5046,9224,16827,30630,55623,100803,182342,329205,
 593326,1067591,1917885,3440207,6162004,11021921,
 19688757,35126020,62590629,111398910,198044551,
 351700332,623918086,1105715149]