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A176607 as a simple table

n a(n)
0 1
1 4
2 9
3 35
4 143
5 648
6 3071
7 15126
8 76495
9 395086
10 2074699
11 11044027
12 59457897
13 323180520
14 1771081641
15 9774955015
16 54286011887
17 303138215322
18 1701016909235
19 9586701364893
20 54241695455421
21 307991483403216
22 1754468491846461

[1,4,9,35,143,648,3071,15126,76495,395086,2074699,
 11044027,59457897,323180520,1771081641,9774955015,
 54286011887,303138215322,1701016909235,
 9586701364893,54241695455421,307991483403216,
 1754468491846461]

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Last modified May 25 03:39 EDT 2022. Contains 354047 sequences. (Running on oeis4.)