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A060551 as a simple table

n a(n)
1 0
2 0
3 0
4 6
5 12
6 42
7 84
8 210
9 420
10 924
11 1860
12 3900
13 7800
14 15996
15 31992
16 64728
17 129528
18 260568
19 521136
20 1045464
21 2090928
22 4187952
23 8376240
24 16764720
25 33529440
26 67084080
27 134168160
28 268385376
29 536772192
30 1073642592
31 2147285184
32 4294769760
33 8589539520
34 17179472064

[0,0,0,6,12,42,84,210,420,924,1860,3900,7800,
 15996,31992,64728,129528,260568,521136,1045464,
 2090928,4187952,8376240,16764720,33529440,
 67084080,134168160,268385376,536772192,1073642592,
 2147285184,4294769760,8589539520,17179472064]

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Last modified April 24 11:16 EDT 2024. Contains 371936 sequences. (Running on oeis4.)