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A255296 as a simple table

n a(n)
0 1
1 6
2 24
3 92
4 340
5 1236
6 4452
7 15956
8 57028
9 203508
10 725604
11 2585876
12 9212932
13 32818740
14 116898468
15 416365652
16 1482959428
17 5281740660
18 18811402980
19 66998214548
20 238618498180
21 849854020788
22 3026803253028
23 10780126189268
24 38394001851076
25 136742291486196

[1,6,24,92,340,1236,4452,15956,57028,203508,
 725604,2585876,9212932,32818740,116898468,
 416365652,1482959428,5281740660,18811402980,
 66998214548,238618498180,849854020788,
 3026803253028,10780126189268,38394001851076,
 136742291486196]

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Last modified April 24 06:03 EDT 2024. Contains 371918 sequences. (Running on oeis4.)