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A077259 as a simple table

n a(n)
0 0
1 2
2 6
3 44
4 116
5 798
6 2090
7 14328
8 37512
9 257114
10 673134
11 4613732
12 12078908
13 82790070
14 216747218
15 1485607536
16 3889371024
17 26658145586
18 69791931222
19 478361013020
20 1252365390980
21 8583840088782
22 22472785106426
23 154030760585064
24 403257766524696
25 2763969850442378

[0,2,6,44,116,798,2090,14328,37512,257114,673134,
 4613732,12078908,82790070,216747218,1485607536,
 3889371024,26658145586,69791931222,478361013020,
 1252365390980,8583840088782,22472785106426,
 154030760585064,403257766524696,2763969850442378]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)