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A156929 as a simple table

n a(n)
2 -6
3 -79
4 -515
5 -2255
6 -7321
7 -17280
8 -20052
9 73530
10 683280
11 3482667
12 14574887
13 55023247
14 194872885
15 661036370
16 2174736558
17 6996176016
18 22133771190
19 69145507605
20 213941135265
21 657095902685 

[-6,-79,-515,-2255,-7321,-17280,-20052,73530,
 683280,3482667,14574887,55023247,194872885,
 661036370,2174736558,6996176016,22133771190,
 69145507605,213941135265,657095902685]

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Last modified May 14 21:33 EDT 2024. Contains 372533 sequences. (Running on oeis4.)