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A126474 as a simple table

n a(n)
0 1
1 6
2 30
3 154
4 788
5 4034
6 20650
7 105708
8 541122
9 2770018
10 14179796
11 72586754
12 371573530
13 1902094812
14 9736874082
15 49843318162
16 255149275268
17 1306115946338
18 6686042370634
19 34226029248972
20 175203956722818

[1,6,30,154,788,4034,20650,105708,541122,2770018,
 14179796,72586754,371573530,1902094812,9736874082,
 49843318162,255149275268,1306115946338,
 6686042370634,34226029248972,175203956722818]

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Last modified June 12 21:26 EDT 2024. Contains 373360 sequences. (Running on oeis4.)