A281587 - cp's OEIS frontend

A281587 Triangle read by rows, e.g.f. exp(xz)(2*(exp(z)+1)/(cosh(z)+cos(z))-1).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	3
9	1
10	-1
11	4
12	6
13	4
14	1
15	-4
16	-5
17	10
18	10
19	5
20	1
21	-14
22	-24
23	-15
24	20
25	15
26	6
27	1
28	-34
29	-98
30	-84
31	-35
32	35
33	21
34	7
35	1
36	69
37	-272
38	-392
39	-224
40	-70
41	56
42	28
43	8
44	1
45	496
46	621
47	-1224
48	-1176
49	-504
50	-126
51	84
52	36
53	9
54	1
55	2896
56	4960
57	3105
58	-4080
59	-2940
60	-1008
61	-210
62	120
63	45
64	10
65	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, -1, 4, 6, 4, 1, -4, -5, 10, 10, 5, 1, -14, -24, -15, 20, 15, 6, 1, -34, -98, -84, -35, 35, 21, 7, 1, 69, -272, -392, -224, -70, 56, 28, 8, 1, 496, 621, -1224, -1176, -504, -126, 84, 36, 9, 1, 2896, 4960, 3105, -4080, -2940, -1008, -210, 120, 45, 10, 1]

cp's OEIS Frontend

A281587 Triangle read by rows, e.g.f. exp(xz)(2*(exp(z)+1)/(cosh(z)+cos(z))-1).

Table of values

List of values

cp's OEIS Frontend

A281587 Triangle read by rows, e.g.f. exp(x*z)*(2*(exp(z)+1)/(cosh(z)+cos(z))-1).

Table of values

List of values

A281587 Triangle read by rows, e.g.f. exp(xz)(2*(exp(z)+1)/(cosh(z)+cos(z))-1).