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A227045 as a simple table

na(n)
01
11
22
35
413
535
695
7260
8713
91959
105386
1114815
1240759
13112151
14308609
15849240
162337009
176431246
1817698332
1948704714
20134032593
21368850417
221015056867
232793383746
247687248186
2521154913043
2658217239536
27160210872557
28440892153268
291213312738702
303338974845151
319188688696438

[1,1,2,5,13,35,95,260,713,1959,5386,14815,40759,
 112151,308609,849240,2337009,6431246,17698332,
 48704714,134032593,368850417,1015056867,
 2793383746,7687248186,21154913043,58217239536,
 160210872557,440892153268,1213312738702,
 3338974845151,9188688696438]