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A303829 as a simple table

n a(n)
1 0
2 2
3 6
4 28
5 148
6 1144
7 13128
8 250240
9 8295664
10 494367376
11 53628829952
12 10655018252544
13 3893626388008448
14 2627758027841688960
15 3289042848785452985600
16 7666804477507744021487616
17 33416397343695235205887366144
18 273365202164844511328577434284160

[0,2,6,28,148,1144,13128,250240,8295664,494367376,
 53628829952,10655018252544,3893626388008448,
 2627758027841688960,3289042848785452985600,
 7666804477507744021487616,
 33416397343695235205887366144,
 273365202164844511328577434284160]

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Last modified July 5 21:43 EDT 2024. Contains 374029 sequences. (Running on oeis4.)