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A178268 as a simple table

n a(n)
1 0
2 0
3 272
4 2960
5 21680
6 85584
7 330032
8 916832
9 2402544
10 5543936
11 12188000
12 23612496
13 46235520
14 82329552
15 142808864
16 239006304
17 393144576
18 612427040
19 953341296
20 1420731120
21 2107948720
22 3060955376
23 4384446800
24 6098267968

[0,0,272,2960,21680,85584,330032,916832,2402544,
 5543936,12188000,23612496,46235520,82329552,
 142808864,239006304,393144576,612427040,953341296,
 1420731120,2107948720,3060955376,4384446800,
 6098267968]

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Last modified August 31 23:29 EDT 2024. Contains 375575 sequences. (Running on oeis4.)