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A305356 as a simple table

n a(n)
1 1
2 4
3 13
4 26
5 137
6 538
7 4429
8 33136
9 321576
10 4146990
11 63233103

[1,4,13,26,137,538,4429,33136,321576,4146990,
 63233103]

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Last modified August 24 10:55 EDT 2024. Contains 375410 sequences. (Running on oeis4.)