A166378 - cp's OEIS frontend

A166378 Exponential Riordan array [1+x^2*sec(x), x].

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	1
6	0
7	6
8	0
9	1
10	12
11	0
12	12
13	0
14	1
15	0
16	60
17	0
18	20
19	0
20	1
21	150
22	0
23	180
24	0
25	30
26	0
27	1
28	0
29	1050
30	0
31	420
32	0
33	42
34	0
35	1
36	3416
37	0
38	4200
39	0
40	840
41	0
42	56
43	0
44	1
45	0
46	30744
47	0
48	12600
49	0
50	1512
51	0
52	72
53	0
54	1
55	124650
56	0
57	153720
58	0
59	31500
60	0
61	2520
62	0
63	90
64	0
65	1

[1, 0, 1, 2, 0, 1, 0, 6, 0, 1, 12, 0, 12, 0, 1, 0, 60, 0, 20, 0, 1, 150, 0, 180, 0, 30, 0, 1, 0, 1050, 0, 420, 0, 42, 0, 1, 3416, 0, 4200, 0, 840, 0, 56, 0, 1, 0, 30744, 0, 12600, 0, 1512, 0, 72, 0, 1, 124650, 0, 153720, 0, 31500, 0, 2520, 0, 90, 0, 1]

cp's OEIS Frontend

A166378 Exponential Riordan array [1+x^2*sec(x), x].

Table of values

List of values