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A239988 as a simple table

na(n)
14
216
356
4171
5530
61495
74059
810121
923476
1051169
11105957
12210063
13401043
14740392
151325954
162309449
173920715
186500605
1910544919
2016762214
2126148867
2240085363
2360458446
2489814510
25131550423
26190148874
27271466315
28383082641
29534722915

[4,16,56,171,530,1495,4059,10121,23476,51169,
 105957,210063,401043,740392,1325954,2309449,
 3920715,6500605,10544919,16762214,26148867,
 40085363,60458446,89814510,131550423,190148874,
 271466315,383082641,534722915]