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A247076 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 62
5 194
6 612
7 1922
8 6038
9 18980
10 59646
11 187442
12 589076
13 1851266
14 5817894
15 18283700
16 57459518
17 180575906
18 567489348
19 1783428098
20 5604714422
21 17613731780
22 55354032894
23 173959101458
24 546694927604
25 1718078222594
26 5399341807686
27 16968314698580

[1,2,6,20,62,194,612,1922,6038,18980,59646,187442,
 589076,1851266,5817894,18283700,57459518,
 180575906,567489348,1783428098,5604714422,
 17613731780,55354032894,173959101458,546694927604,
 1718078222594,5399341807686,16968314698580]

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Last modified April 23 05:37 EDT 2024. Contains 371906 sequences. (Running on oeis4.)