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A086581 as a simple table

na(n)
01
11
22
35
413
535
697
7275
8794
92327
106905
1120705
1262642
13190987
14586219
151810011
165617914
1717518463
1854857506
19172431935
20543861219
211720737981
225459867166
2317369553427
2455391735455
25177040109419
26567019562429
271819536774089

[1,1,2,5,13,35,97,275,794,2327,6905,20705,62642,
 190987,586219,1810011,5617914,17518463,54857506,
 172431935,543861219,1720737981,5459867166,
 17369553427,55391735455,177040109419,567019562429,
 1819536774089]