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A033697 as a simple table

n a(n)
0 1
1 0
2 120
3 480
4 1950
5 3360
6 9000
7 16800
8 25320
9 39840
10 76320
11 80160
12 146190
13 193920
14 236400
15 309600
16 510270
17 455040
18 722520
19 889440
20 994176
21 1200480
22 1798560
23 1525440
24 2319480
25 2655360
26 2805360
27 3255360
28 4787580
29 3861600
30 5594400
31 6297120
32 6528360
33 7267680

[1,0,120,480,1950,3360,9000,16800,25320,39840,
 76320,80160,146190,193920,236400,309600,510270,
 455040,722520,889440,994176,1200480,1798560,
 1525440,2319480,2655360,2805360,3255360,4787580,
 3861600,5594400,6297120,6528360,7267680]

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Last modified December 5 10:56 EST 2023. Contains 367589 sequences. (Running on oeis4.)