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A221701 as a simple table

n a(n)
2 8
3 36
4 160
5 696
6 2978
7 12592
8 52788
9 219888
10 911480
11 3763832
12 15494608
13 63627024
14 260733598
15 1066567352
16 4356387548
17 17770522592
18 72407072528
19 294732200792
20 1198639773728
21 4870853772752
22 19779319412708
23 80266979450624
24 325542118876520
25 1319605521277216
26 5346467285085648
27 21651719411554992
28 87646668885161696
29 354657520759569056

[8,36,160,696,2978,12592,52788,219888,911480,
 3763832,15494608,63627024,260733598,1066567352,
 4356387548,17770522592,72407072528,294732200792,
 1198639773728,4870853772752,19779319412708,
 80266979450624,325542118876520,1319605521277216,
 5346467285085648,21651719411554992,
 87646668885161696,354657520759569056]

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Last modified April 23 11:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)