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A134057 as a simple table

n a(n)
0 0
1 0
2 3
3 21
4 105
5 465
6 1953
7 8001
8 32385
9 130305
10 522753
11 2094081
12 8382465
13 33542145
14 134193153
15 536821761
16 2147385345
17 8589737985
18 34359345153
19 137438167041
20 549754241025
21 2199020109825
22 8796086730753
23 35184359505921

[0,0,3,21,105,465,1953,8001,32385,130305,522753,
 2094081,8382465,33542145,134193153,536821761,
 2147385345,8589737985,34359345153,137438167041,
 549754241025,2199020109825,8796086730753,
 35184359505921]

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)