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A307496 as a simple table

na(n)
01
11
22
36
418
557
6187
7629
82156
97502
1026427
1194053
12337653
131221260
144445892
1516277089
1659893052
17221370725
18821499759
193059620076
2011432831745
2142848889316
22161032785057
23606710026659
242291156662259
258670805904186
2632879697168622
27124910667052026
28475357627716839
291811931609379926

[1,1,2,6,18,57,187,629,2156,7502,26427,94053,
 337653,1221260,4445892,16277089,59893052,
 221370725,821499759,3059620076,11432831745,
 42848889316,161032785057,606710026659,
 2291156662259,8670805904186,32879697168622,
 124910667052026,475357627716839,1811931609379926]