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A126384 as a simple table

n a(n)
0 1
1 30
2 88
3 260
4 770
5 2284
6 6782
7 20154
8 59928
9 178284
10 530606
11 1579726
12 4704572
13 14014274
14 41756092
15 124439108
16 370913490
17 1105756236
18 3296937150
19 9831523710
20 29321421468
21 87457888182
22 260890934448
23 778326317088

[1,30,88,260,770,2284,6782,20154,59928,178284,
 530606,1579726,4704572,14014274,41756092,
 124439108,370913490,1105756236,3296937150,
 9831523710,29321421468,87457888182,260890934448,
 778326317088]

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Last modified April 12 15:00 EDT 2021. Contains 342921 sequences. (Running on oeis4.)