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A346660 as a simple table

na(n)
01
11
21
32
45
514
642
7133
8442
91537
105583
1121165
1283707
13345324
141485687
156663354
1631134078
17151408319
18765462514
194017644518
2021860398111
21123120413119
22716701884408
234305828784896
2426661920519485
25169937265101628
261113616036893636
277494786443901137

[1,1,1,2,5,14,42,133,442,1537,5583,21165,83707,
 345324,1485687,6663354,31134078,151408319,
 765462514,4017644518,21860398111,123120413119,
 716701884408,4305828784896,26661920519485,
 169937265101628,1113616036893636,7494786443901137]