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A205895 as a simple table

na(n)
1476
26020
379644
41042382
513544456
6176994692
72306581930
830091040770
9392413398860
105118080533042
1166749915011740
12870564329275570
1311354001135466616
14148080426962160126
151931284128582993192

[476,6020,79644,1042382,13544456,176994692,
 2306581930,30091040770,392413398860,5118080533042,
 66749915011740,870564329275570,11354001135466616,
 148080426962160126,1931284128582993192]