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A181889 as a simple table

n a(n)
1 0
2 64
3 784
4 4368
5 16368
6 48048
7 119392
8 262752
9 527136
10 983136
11 1728496
12 2894320
13 4651920
14 7220304
15 10874304
16 15953344
17 22870848
18 32124288
19 44305872
20 60113872
21 80364592
22 106004976
23 138125856
24 177975840
25 226975840
26 286734240
27 359062704
28 445992624
29 549792208
30 672984208
31 818364288
32 989020032
33 1188350592
34 1420086976
35 1688312976
36 1997486736
37 2352462960
38 2758515760
39 3221362144
40 3747186144

[0,64,784,4368,16368,48048,119392,262752,527136,
 983136,1728496,2894320,4651920,7220304,10874304,
 15953344,22870848,32124288,44305872,60113872,
 80364592,106004976,138125856,177975840,226975840,
 286734240,359062704,445992624,549792208,672984208,
 818364288,989020032,1188350592,1420086976,
 1688312976,1997486736,2352462960,2758515760,
 3221362144,3747186144]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)