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A104371 as a simple table

n a(n)
1 1
2 2
3 6
4 12
5 60
6 180
7 1152
8 2520
9 7560
10 37332
11 415800
12 1247400
13 16118932
14 112918900
15 564876900
16 1109481408
17 17645365584
18 57890359152
19 1099944846000
20 5468570553600
21 37559092302400
22 421791599312500
23 9256378099515120
24 29207007622737652
25 146100174169950000
26 1880759745476519040
27 5589847741506645552
28 39852571442073216768

[1,2,6,12,60,180,1152,2520,7560,37332,415800,
 1247400,16118932,112918900,564876900,1109481408,
 17645365584,57890359152,1099944846000,
 5468570553600,37559092302400,421791599312500,
 9256378099515120,29207007622737652,
 146100174169950000,1880759745476519040,
 5589847741506645552,39852571442073216768]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)