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A158500 as a simple table

n a(n)
0 1
1 1
2 1
3 -4
4 15
5 -56
6 210
7 -792
8 3003
9 -11440
10 43758
11 -167960
12 646646
13 -2496144
14 9657700
15 -37442160
16 145422675
17 -565722720
18 2203961430
19 -8597496600
20 33578000610
21 -131282408400
22 513791607420
23 -2012616400080

[1,1,1,-4,15,-56,210,-792,3003,-11440,43758,
 -167960,646646,-2496144,9657700,-37442160,
 145422675,-565722720,2203961430,-8597496600,
 33578000610,-131282408400,513791607420,
 -2012616400080]

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Last modified November 29 02:45 EST 2020. Contains 338756 sequences. (Running on oeis4.)