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A150078 as a simple table

n a(n)
0 1
1 2
2 6
3 18
4 68
5 224
6 866
7 3044
8 11856
9 42830
10 168438
11 619340
12 2452088
13 9130458
14 36233300
15 136303418
16 541799748
17 2052445408
18 8171539956
19 31128440400
20 124091086076
21 474862499816
22 1894225928704
23 7277083362774
24 29042937826756
25 111923855247554
26 446900167922820
27 1726852464248602

[1,2,6,18,68,224,866,3044,11856,42830,168438,
 619340,2452088,9130458,36233300,136303418,
 541799748,2052445408,8171539956,31128440400,
 124091086076,474862499816,1894225928704,
 7277083362774,29042937826756,111923855247554,
 446900167922820,1726852464248602]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)