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A000664 as a simple table

na(n)
01
11
22
35
411
526
668
7177
8497
91476
104613
1115216
1252944
13193367
14740226
152960520
1612334829
1753394755
18239544624
191111261697
205320103252
2126237509076
22133087001869
23693339241737
243705135967663
2520286965943329
26113694201046379
27651571521170323
283815204365835840
2922806847476040913
30139088381010541237
31864777487052916454

[1,1,2,5,11,26,68,177,497,1476,4613,15216,52944,
 193367,740226,2960520,12334829,53394755,239544624,
 1111261697,5320103252,26237509076,133087001869,
 693339241737,3705135967663,20286965943329,
 113694201046379,651571521170323,3815204365835840,
 22806847476040913,139088381010541237,
 864777487052916454]