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A047626 as a simple table

n a(n)
0 1
1 0
2 1212
3 11584
4 70380
5 261120
6 776800
7 1989504
8 4398252
9 8878080
10 16788312
11 29833920
12 50078944
13 80686080
14 126457920
15 191702144
16 281524140
17 403691520
18 570110556
19 793005120
20 1074444600
21 1431982080
22 1903243680
23 2494537344
24 3204056800
25 4082872320
26 5185620120

[1,0,1212,11584,70380,261120,776800,1989504,
 4398252,8878080,16788312,29833920,50078944,
 80686080,126457920,191702144,281524140,403691520,
 570110556,793005120,1074444600,1431982080,
 1903243680,2494537344,3204056800,4082872320,
 5185620120]

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Last modified May 8 10:35 EDT 2024. Contains 372332 sequences. (Running on oeis4.)