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A216316 as a simple table

na(n)
01
12
213
380
4538
53740
626650
7193160
81417945
910511450
1078533629
11590485208
124463274232
1333886781840
14258260802232
151974759985952
1615143163422794
17116417053435316
18896996316176290
196925241271855296
2053562550587963052
21414948608904171464
223219356873886333676

[1,2,13,80,538,3740,26650,193160,1417945,10511450,
 78533629,590485208,4463274232,33886781840,
 258260802232,1974759985952,15143163422794,
 116417053435316,896996316176290,6925241271855296,
 53562550587963052,414948608904171464,
 3219356873886333676]