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A245991 as a simple table

n a(n)
1 64
2 208
3 676
4 2196
5 7132
6 23168
7 75260
8 244464
9 794096
10 2579500
11 8379052
12 27217860
13 88412560
14 287192948
15 932896352
16 3030352272
17 9843575108
18 31975148500
19 103865731612
20 337389844512
21 1095952482460
22 3560011839440
23 11564081956784

[64,208,676,2196,7132,23168,75260,244464,794096,
 2579500,8379052,27217860,88412560,287192948,
 932896352,3030352272,9843575108,31975148500,
 103865731612,337389844512,1095952482460,
 3560011839440,11564081956784]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)