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A090192 as a simple table

n a(n)
0 1
1 1
2 0
3 -1
4 0
5 2
6 0
7 -5
8 0
9 14
10 0
11 -42
12 0
13 132
14 0
15 -429
16 0
17 1430
18 0
19 -4862
20 0
21 16796
22 0
23 -58786
24 0
25 208012
26 0
27 -742900
28 0
29 2674440
30 0
31 -9694845
32 0
33 35357670
34 0
35 -129644790
36 0
37 477638700
38 0
39 -1767263190
40 0
41 6564120420
42 0
43 -24466267020
44 0
45 91482563640
46 0
47 -343059613650
48 0

[1,1,0,-1,0,2,0,-5,0,14,0,-42,0,132,0,-429,0,1430,
 0,-4862,0,16796,0,-58786,0,208012,0,-742900,0,
 2674440,0,-9694845,0,35357670,0,-129644790,0,
 477638700,0,-1767263190,0,6564120420,0,
 -24466267020,0,91482563640,0,-343059613650,0]

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Last modified September 12 16:36 EDT 2024. Contains 375853 sequences. (Running on oeis4.)