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A164863 as a simple table

na(n)
01
11
22
35
415
552
6203
7877
84140
921147
10115974
11678514
124211825
1327602602
14190077045
151368705291
1610254521370
1779527284317
18635182667816
195199414528808
2043426867585575
21368654643520692
223170300933550687
2327542984610086665
24241205285284001240

[1,1,2,5,15,52,203,877,4140,21147,115974,678514,
 4211825,27602602,190077045,1368705291,10254521370,
 79527284317,635182667816,5199414528808,
 43426867585575,368654643520692,3170300933550687,
 27542984610086665,241205285284001240]