A137785 - cp's OEIS frontend

A137785 Triangular sequence of coefficients of the expansion of p(x,t) = exp(xt)(1 + t^2)^2/(t*(1 - t^2)).

n	a(n)
1	0
2	1
3	6
4	0
5	1
6	0
7	18
8	0
9	1
10	96
11	0
12	36
13	0
14	1
15	0
16	480
17	0
18	60
19	0
20	1
21	2880
22	0
23	1440
24	0
25	90
26	0
27	1
28	0
29	20160
30	0
31	3360
32	0
33	126
34	0
35	1
36	161280
37	0
38	80640
39	0
40	6720
41	0
42	168
43	0
44	1
45	0
46	1451520
47	0
48	241920
49	0
50	12096
51	0
52	216
53	0
54	1
55	14515200
56	0
57	7257600
58	0
59	604800
60	0
61	20160
62	0
63	270
64	0
65	1

[0, 1, 6, 0, 1, 0, 18, 0, 1, 96, 0, 36, 0, 1, 0, 480, 0, 60, 0, 1, 2880, 0, 1440, 0, 90, 0, 1, 0, 20160, 0, 3360, 0, 126, 0, 1, 161280, 0, 80640, 0, 6720, 0, 168, 0, 1, 0, 1451520, 0, 241920, 0, 12096, 0, 216, 0, 1, 14515200, 0, 7257600, 0, 604800, 0, 20160, 0, 270, 0, 1]

cp's OEIS Frontend

A137785 Triangular sequence of coefficients of the expansion of p(x,t) = exp(xt)(1 + t^2)^2/(t*(1 - t^2)).

Table of values

List of values

cp's OEIS Frontend

A137785 Triangular sequence of coefficients of the expansion of p(x,t) = exp(x*t)*(1 + t^2)^2/(t*(1 - t^2)).

Table of values

List of values

A137785 Triangular sequence of coefficients of the expansion of p(x,t) = exp(xt)(1 + t^2)^2/(t*(1 - t^2)).