A171695 - cp's OEIS frontend

A171695 Expansion of g.f.: 2^(floor((n+1)/2))n!(1-y)^(n+1)f(x, y, m), where f(x, y, m) = 2^(m+1)exp(2^mt)/((1-yexp(t))(1 + (2^(m+1)-1)exp(2^m*t))), and m = 1.

n	a(n)
0	1
1	1
2	1
3	-1
4	6
5	-1
6	-1
7	7
8	25
9	-7
10	10
11	-44
12	152
13	-20
14	-2
15	-26
16	198
17	-292
18	1628
19	-642
20	94
21	-154
22	1000
23	-1954
24	6416
25	1586
26	-1400
27	266
28	1646
29	-13606
30	51774
31	-75094
32	175226
33	-73890
34	15962
35	-1378
36	1000
37	-3936
38	-4448
39	190432
40	37104
41	779104
42	-472160
43	133152
44	-15128

[1, 1, 1, -1, 6, -1, -1, 7, 25, -7, 10, -44, 152, -20, -2, -26, 198, -292, 1628, -642, 94, -154, 1000, -1954, 6416, 1586, -1400, 266, 1646, -13606, 51774, -75094, 175226, -73890, 15962, -1378, 1000, -3936, -4448, 190432, 37104, 779104, -472160, 133152, -15128]

cp's OEIS Frontend

A171695 Expansion of g.f.: 2^(floor((n+1)/2))n!(1-y)^(n+1)f(x, y, m), where f(x, y, m) = 2^(m+1)exp(2^mt)/((1-yexp(t))(1 + (2^(m+1)-1)exp(2^m*t))), and m = 1.

Table of values

List of values

cp's OEIS Frontend

A171695 Expansion of g.f.: 2^(floor((n+1)/2))*n!*(1-y)^(n+1)*f(x, y, m), where f(x, y, m) = 2^(m+1)*exp(2^m*t)/((1-y*exp(t))*(1 + (2^(m+1)-1)*exp(2^m*t))), and m = 1.

Table of values

List of values

A171695 Expansion of g.f.: 2^(floor((n+1)/2))n!(1-y)^(n+1)f(x, y, m), where f(x, y, m) = 2^(m+1)exp(2^mt)/((1-yexp(t))(1 + (2^(m+1)-1)exp(2^m*t))), and m = 1.