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A330876 as a simple table

na(n)
01
11
21
31
49
5108
62700
781000
814883750
9347287500
109724050000
1136756909000000
12466996528845000000
136472571889791700000000
141082926002881049327000000000
1513008107146607164515924000000000

[1,1,1,1,9,108,2700,81000,14883750,347287500,
 9724050000,36756909000000,466996528845000000,
 6472571889791700000000,
 1082926002881049327000000000,
 13008107146607164515924000000000]