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A044045 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 19
5 71
6 274
7 1117
8 4650
9 19819
10 85710
11 375712
12 1664203
13 7439593
14 33515758
15 152019560
16 693625265
17 3181528275
18 14661581030
19 67850297506
20 315187646601
21 1469195636293
22 6869889703638
23 32215399021901
24 151467334017864
25 713881817440421
26 3372142139764434

[0,1,2,6,19,71,274,1117,4650,19819,85710,375712,
 1664203,7439593,33515758,152019560,693625265,
 3181528275,14661581030,67850297506,315187646601,
 1469195636293,6869889703638,32215399021901,
 151467334017864,713881817440421,3372142139764434]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)