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A126418 as a simple table

n a(n)
0 1
1 31
2 149
3 725
4 3543
5 17361
6 85223
7 418899
8 2061105
9 10149405
10 50011235
11 246566635
12 1216199805
13 6001382075
14 29624479933
15 146279954561
16 722500541847
17 3569422111283
18 17638150070523
19 87175432519409
20 430936179702041

[1,31,149,725,3543,17361,85223,418899,2061105,
 10149405,50011235,246566635,1216199805,6001382075,
 29624479933,146279954561,722500541847,
 3569422111283,17638150070523,87175432519409,
 430936179702041]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)