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A239816 as a simple table

na(n)
156
23951
3232272
414544801
5884977259
654668820459
73347474694032
8205970817822022
912641836066488239
10776862587801118702
1147711236158517841564
122931070666588302434209
13180038209753070897538954

[56,3951,232272,14544801,884977259,54668820459,
 3347474694032,205970817822022,12641836066488239,
 776862587801118702,47711236158517841564,
 2931070666588302434209,180038209753070897538954]