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A291685 as a simple table

na(n)
01
11
22
35
416
552
6189
7683
82621
910061
1040031
11159201
12650880
132657089
1411062682
1546065143
16194595138
17822215099
183513875245
1915021070567
2064785349064
21279575206629
221214958544538
235283266426743
2423106210465665
25101120747493793
26444614706427665

[1,1,2,5,16,52,189,683,2621,10061,40031,159201,
 650880,2657089,11062682,46065143,194595138,
 822215099,3513875245,15021070567,64785349064,
 279575206629,1214958544538,5283266426743,
 23106210465665,101120747493793,444614706427665]