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A200674 as a simple table

n a(n)
0 0
1 1
2 9
3 61
4 385
5 2365
6 14353
7 86605
8 521089
9 3130909
10 18798577
11 112830829
12 677103073
13 4062972733
14 24378899281
15 146276584333
16 877669071937
17 5266043129437
18 31596344870065
19 189578327500717
20 1137470739845281
21 6824826763594621
22 40948967555136529

[0,1,9,61,385,2365,14353,86605,521089,3130909,
 18798577,112830829,677103073,4062972733,
 24378899281,146276584333,877669071937,
 5266043129437,31596344870065,189578327500717,
 1137470739845281,6824826763594621,
 40948967555136529]

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Last modified May 28 22:13 EDT 2024. Contains 372921 sequences. (Running on oeis4.)