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A304444 as a simple table

na(n)
01
12
214
398
4726
55512
642614
7333608
82636326
920985272
10168012824
111351507830
1210914317934
1388432329546
14718545161208
155852747363518
1647774241056710
17390702055798978
183200542803221192
1926257321971526646
20215705170816632376
211774181109262878848

[1,2,14,98,726,5512,42614,333608,2636326,20985272,
 168012824,1351507830,10914317934,88432329546,
 718545161208,5852747363518,47774241056710,
 390702055798978,3200542803221192,
 26257321971526646,215705170816632376,
 1774181109262878848]