A193545 - cp's OEIS frontend

A193545 E.g.f.: 2L^2/(Pi^2(1 + 2Sum_{n>=1} cosh(2Pinx/L)/cosh(n*Pi) )^2) where L = Lemniscate constant.

n	a(n)
0	1
1	0
2	-2
3	0
4	0
5	0
6	144
7	0
8	0
9	0
10	-96768
11	0
12	0
13	0
14	268240896
15	0
16	0
17	0
18	-2111592333312
19	0
20	0
21	0
22	37975288540299264
23	0
24	0
25	0
26	-1353569484565546795008
27	0
28	0
29	0
30	86498911610371173437669376
31	0
32	0
33	0
34	-9198407234012051081051108278272
35	0
36	0
37	0
38	1536583522302562247445395779495133184

[1, 0, -2, 0, 0, 0, 144, 0, 0, 0, -96768, 0, 0, 0, 268240896, 0, 0, 0, -2111592333312, 0, 0, 0, 37975288540299264, 0, 0, 0, -1353569484565546795008, 0, 0, 0, 86498911610371173437669376, 0, 0, 0, -9198407234012051081051108278272, 0, 0, 0, 1536583522302562247445395779495133184]

cp's OEIS Frontend

A193545 E.g.f.: 2L^2/(Pi^2(1 + 2Sum_{n>=1} cosh(2Pinx/L)/cosh(n*Pi) )^2) where L = Lemniscate constant.

Table of values

List of values

cp's OEIS Frontend

A193545 E.g.f.: 2*L^2/(Pi^2*(1 + 2*Sum_{n>=1} cosh(2*Pi*n*x/L)/cosh(n*Pi) )^2) where L = Lemniscate constant.

Table of values

List of values

A193545 E.g.f.: 2L^2/(Pi^2(1 + 2Sum_{n>=1} cosh(2Pinx/L)/cosh(n*Pi) )^2) where L = Lemniscate constant.