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A339288 as a simple table

na(n)
10
21
31
43
58
622
764
8189
9577
101788
115642
1218016
1358213
14189792
15623913
162065219
176878429
1823032917
1977500237
20261892491
21888439320
223024510467
2310329241959
2435379140285
25121502993735
26418306868672
271443409882944
284991122973019
2917292424070839
3060021140494647
31208684858267921

[0,1,1,3,8,22,64,189,577,1788,5642,18016,58213,
 189792,623913,2065219,6878429,23032917,77500237,
 261892491,888439320,3024510467,10329241959,
 35379140285,121502993735,418306868672,
 1443409882944,4991122973019,17292424070839,
 60021140494647,208684858267921]