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A317408 as a simple table

n a(n)
0 0
1 1
2 6
3 24
4 84
5 275
6 864
7 2639
8 7896
9 23256
10 67650
11 194821
12 556416
13 1578109
14 4449354
15 12480600
16 34852944
17 96949079
18 268746336
19 742675211
20 2046683100
21 5626200216
22 15430992126
23 42235173769
24 115380647424
25 314656725625
26 856733282574
27 2329224424344
28 6323840144076

[0,1,6,24,84,275,864,2639,7896,23256,67650,194821,
 556416,1578109,4449354,12480600,34852944,96949079,
 268746336,742675211,2046683100,5626200216,
 15430992126,42235173769,115380647424,314656725625,
 856733282574,2329224424344,6323840144076]

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Last modified June 27 07:50 EDT 2024. Contains 373731 sequences. (Running on oeis4.)