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A026375 as a simple table

n a(n)
0 1
1 3
2 11
3 45
4 195
5 873
6 3989
7 18483
8 86515
9 408105
10 1936881
11 9238023
12 44241261
13 212601015
14 1024642875
15 4950790605
16 23973456915
17 116312293305
18 565280386625
19 2751474553575
20 13411044301945
21 65448142561035
22 319756851757695

[1,3,11,45,195,873,3989,18483,86515,408105,
 1936881,9238023,44241261,212601015,1024642875,
 4950790605,23973456915,116312293305,565280386625,
 2751474553575,13411044301945,65448142561035,
 319756851757695]

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