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A241367 as a simple table

na(n)
18
2523
346245
43910194
5332185927
628238828935
72400505507498
8204061855414167
917346886991310331
101474623966935696590
11125354818374255514287
1210656161088317132650049
13905858830474955211374142

[8,523,46245,3910194,332185927,28238828935,
 2400505507498,204061855414167,17346886991310331,
 1474623966935696590,125354818374255514287,
 10656161088317132650049,905858830474955211374142]