A200057 - cp's OEIS frontend

A200057 T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum and elements alternately strictly increasing and strictly decreasing.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	4
7	1
8	6
9	10
10	4
11	1
12	8
13	22
14	26
15	6
16	1
17	10
18	36
19	78
20	68
21	10
22	1
23	12
24	56
25	172
26	288
27	178
28	14
29	1
30	14
31	78
32	324
33	840
34	1098
35	472
36	22
37	1
38	16
39	106
40	546
41	1948
42	4172
43	4224
44	1276
45	34
46	1
47	18
48	136
49	850
50	3914
51	11962
52	20978
53	16432
54	3462
55	52
56	1
57	20
58	172
59	1252
60	7074
61	28554
62	74338

[1, 1, 2, 1, 4, 4, 1, 6, 10, 4, 1, 8, 22, 26, 6, 1, 10, 36, 78, 68, 10, 1, 12, 56, 172, 288, 178, 14, 1, 14, 78, 324, 840, 1098, 472, 22, 1, 16, 106, 546, 1948, 4172, 4224, 1276, 34, 1, 18, 136, 850, 3914, 11962, 20978, 16432, 3462, 52, 1, 20, 172, 1252, 7074, 28554, 74338]

cp's OEIS Frontend

A200057 T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum and elements alternately strictly increasing and strictly decreasing.

Table of values

List of values