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A181255 as a simple table

n a(n)
1 126
2 336
3 906
4 2484
5 7218
6 21024
7 61398
8 182520
9 542754
10 1614492
11 4829706
12 14448456
13 43225326
14 129555936
15 388309626
16 1163860164
17 3490511778
18 10468335024
19 31395421638
20 94176681480
21 282501311634
22 847417788972
23 2542167220986

[126,336,906,2484,7218,21024,61398,182520,542754,
 1614492,4829706,14448456,43225326,129555936,
 388309626,1163860164,3490511778,10468335024,
 31395421638,94176681480,282501311634,847417788972,
 2542167220986]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)