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A356949 as a simple table

n a(n)
0 1
1 0
2 0
3 6
4 12
5 20
6 1110
7 7602
8 35336
9 1103832
10 14984010
11 134552990
12 3457329612
13 70828191876
14 1017237973934
15 25648737955050
16 676111332667920
17 13760810592066992
18 373071111301807506
19 11594147432172228918
20 307097278689726728660
21 9330499711181779575900

[1,0,0,6,12,20,1110,7602,35336,1103832,14984010,
 134552990,3457329612,70828191876,1017237973934,
 25648737955050,676111332667920,13760810592066992,
 373071111301807506,11594147432172228918,
 307097278689726728660,9330499711181779575900]

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Last modified September 4 22:32 EDT 2024. Contains 375685 sequences. (Running on oeis4.)