A357681 - cp's OEIS frontend

A357681 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cosh( sqrt(k) * (exp(x) - 1) ).

n	a(n)
0	1
1	1
2	0
3	1
4	0
5	0
6	1
7	0
8	1
9	0
10	1
11	0
12	2
13	3
14	0
15	1
16	0
17	3
18	6
19	8
20	0
21	1
22	0
23	4
24	9
25	18
26	25
27	0
28	1
29	0
30	5
31	12
32	30
33	70
34	97
35	0
36	1
37	0
38	6
39	15
40	44
41	135
42	330
43	434
44	0
45	1
46	0
47	7
48	18
49	60
50	220
51	705
52	1694
53	2095
54	0
55	1
56	0
57	8
58	21
59	78
60	325
61	1228
62	3906
63	9202
64	10707
65	0
66	1
67	0
68	9
69	24
70	98
71	450
72	1905
73	7196
74	22953
75	53334
76	58194
77	0

[1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 2, 3, 0, 1, 0, 3, 6, 8, 0, 1, 0, 4, 9, 18, 25, 0, 1, 0, 5, 12, 30, 70, 97, 0, 1, 0, 6, 15, 44, 135, 330, 434, 0, 1, 0, 7, 18, 60, 220, 705, 1694, 2095, 0, 1, 0, 8, 21, 78, 325, 1228, 3906, 9202, 10707, 0, 1, 0, 9, 24, 98, 450, 1905, 7196, 22953, 53334, 58194, 0]

cp's OEIS Frontend

A357681 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cosh( sqrt(k) * (exp(x) - 1) ).

Table of values

List of values