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A269922 as a simple table

n a(n)
4 21
5 483
6 483
7 6468
8 15018
9 6468
10 66066
11 258972
12 258972
13 66066
14 570570
15 3288327
16 5554188
17 3288327
18 570570
19 4390386
20 34374186
21 85421118
22 85421118
23 34374186
24 4390386
25 31039008
26 313530000
27 1059255456
28 1558792200
29 1059255456
30 313530000
31 31039008

[21,483,483,6468,15018,6468,66066,258972,258972,
 66066,570570,3288327,5554188,3288327,570570,
 4390386,34374186,85421118,85421118,34374186,
 4390386,31039008,313530000,1059255456,1558792200,
 1059255456,313530000,31039008]

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Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)