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A247417 as a simple table

n a(n)
2 1
3 3
4 11
5 35
6 132
7 471
8 1806
9 7042
10 28494
11 118662
12 510517
13 2262738
14 10337474
15 48625631
16 235357470
17 1171163995
18 5986424739
19 31403695142
20 168913667164
21 930739116386
22 5249162406890
23 30275048671498
24 178428441191289
25 1073737691984694
26 6592909590432719

[1,3,11,35,132,471,1806,7042,28494,118662,510517,
 2262738,10337474,48625631,235357470,1171163995,
 5986424739,31403695142,168913667164,930739116386,
 5249162406890,30275048671498,178428441191289,
 1073737691984694,6592909590432719]

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Last modified March 22 17:25 EDT 2019. Contains 321422 sequences. (Running on oeis4.)