A171684 - cp's OEIS frontend

A171684 Triangle T(n,k) which contains 8n!2^floor((n+1)/2) times the coefficient [t^n x^k] exp(tx)/(7 + exp(4t)) in row n, column k.

n	a(n)
0	1
1	-1
2	2
3	-3
4	-2
5	2
6	-11
7	-18
8	-6
9	4
10	30
11	-44
12	-36
13	-8
14	4
15	866
16	300
17	-220
18	-120
19	-20
20	8
21	3858
22	5196
23	900
24	-440
25	-180
26	-24
27	8
28	-23654
29	54012
30	36372
31	4200
32	-1540
33	-504
34	-56
35	16
36	-722760
37	-189232
38	216048
39	96992
40	8400
41	-2464
42	-672
43	-64
44	16
45	-10842136
46	-13009680
47	-1703088
48	1296288
49	436464
50	30240
51	-7392
52	-1728
53	-144
54	32

[1, -1, 2, -3, -2, 2, -11, -18, -6, 4, 30, -44, -36, -8, 4, 866, 300, -220, -120, -20, 8, 3858, 5196, 900, -440, -180, -24, 8, -23654, 54012, 36372, 4200, -1540, -504, -56, 16, -722760, -189232, 216048, 96992, 8400, -2464, -672, -64, 16, -10842136, -13009680, -1703088, 1296288, 436464, 30240, -7392, -1728, -144, 32]

cp's OEIS Frontend

A171684 Triangle T(n,k) which contains 8n!2^floor((n+1)/2) times the coefficient [t^n x^k] exp(tx)/(7 + exp(4t)) in row n, column k.

Table of values

List of values

cp's OEIS Frontend

A171684 Triangle T(n,k) which contains 8*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(7 + exp(4*t)) in row n, column k.

Table of values

List of values

A171684 Triangle T(n,k) which contains 8n!2^floor((n+1)/2) times the coefficient [t^n x^k] exp(tx)/(7 + exp(4t)) in row n, column k.