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A088278
as a simple table
n
a(n)
1
1
2
3
3
55
4
6
5
8778
6
114401848104411
7
0
8
55
9
66
10
0
11
10129457886113466431168875492101
12
11121736463712111
[1,3,55,6,8778,114401848104411,0,55,66,0, 10129457886113466431168875492101, 11121736463712111]