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A276780 as a simple table

n a(n)
1 9
2 41
3 171
4 694
5 2790
6 11172
7 44702
8 178825
9 715319
10 2861297
11 11445210
12 45780865
13 183123485
14 301029988
15 301029988

[9,41,171,694,2790,11172,44702,178825,715319,
 2861297,11445210,45780865,183123485,301029988,
 301029988]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)