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A247408 as a simple table

n a(n)
1 0
2 40
3 428
4 6752
5 47592
6 225488
7 826488
8 2696652
9 7451396
10 19200532
11 44634008
12 96779936
13 196510032
14 380589596
15 700636600
16 1243173684
17 2124664616
18 3523145424
19 5673664032
20 8921020564
21 13691990956
22 20604281544
23 30407094956
24 44122851304

[0,40,428,6752,47592,225488,826488,2696652,
 7451396,19200532,44634008,96779936,196510032,
 380589596,700636600,1243173684,2124664616,
 3523145424,5673664032,8921020564,13691990956,
 20604281544,30407094956,44122851304]

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Last modified May 9 04:42 EDT 2024. Contains 372341 sequences. (Running on oeis4.)