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A130072 as a simple table

n a(n)
1 0
2 12
3 90
4 528
5 2850
6 14832
7 75810
8 383808
9 1932930
10 9705552
11 48648930
12 243605088
13 1219100610
14 6098716272
15 30503196450
16 152544778368
17 762810181890
18 3814309582992
19 19072323542370
20 95363943807648
21 476826695752770
22 2384154405761712
23 11920834803510690

[0,12,90,528,2850,14832,75810,383808,1932930,
 9705552,48648930,243605088,1219100610,6098716272,
 30503196450,152544778368,762810181890,
 3814309582992,19072323542370,95363943807648,
 476826695752770,2384154405761712,
 11920834803510690]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)