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A033280 as a simple table

na(n)
01
127
2385
34004
434398
5259896
61790712
711511720
870114902
9409003595
102303105805
1112593413560
1267173369900
13350777861280
141798432526880
159073909567440
1645140379405030
17221768094898350
181077403874372826
195182007298602904
2024699073588138180
21116759256962107760

[1,27,385,4004,34398,259896,1790712,11511720,
 70114902,409003595,2303105805,12593413560,
 67173369900,350777861280,1798432526880,
 9073909567440,45140379405030,221768094898350,
 1077403874372826,5182007298602904,
 24699073588138180,116759256962107760]