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A074247 as a simple table

n a(n)
1 6
2 28
3 140
4 496
5 2970
6 8128
7 27846
8 105664
9 117800
10 237510
11 539400
12 1421280
13 1539720
14 2290260
15 4358600
16 8872200
17 33550336
18 50401728
19 90409410
20 233103780
21 287425800
22 318177800
23 423184320
24 559903400
25 825120800
26 1632825792
27 2705020500
28 3209343200
29 3328809120
30 4720896180

[6,28,140,496,2970,8128,27846,105664,117800,
 237510,539400,1421280,1539720,2290260,4358600,
 8872200,33550336,50401728,90409410,233103780,
 287425800,318177800,423184320,559903400,825120800,
 1632825792,2705020500,3209343200,3328809120,
 4720896180]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)