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A147909 as a simple table

n a(n)
1 1
2 2
3 6
4 16
5 74
6 368
7 1924
8 10496
9 65446
10 426596
11 3048508
12 22901328
13 189677816
14 1628971852
15 15211951462
16 146663420606

[1,2,6,16,74,368,1924,10496,65446,426596,3048508,
 22901328,189677816,1628971852,15211951462,
 146663420606]

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Last modified April 24 07:06 EDT 2024. Contains 371920 sequences. (Running on oeis4.)