A240559 - cp's OEIS frontend

A240559 a(n) = -2^n(E(n, 1/2) + E(n, 1) + (n mod 2)2*(E(n+1, 1/2) + E(n+1, 1))), where E(n, x) are the Euler polynomials.

n	a(n)
0	0
1	0
2	1
3	-3
4	-5
5	45
6	61
7	-1113
8	-1385
9	42585
10	50521
11	-2348973
12	-2702765
13	176992725
14	199360981
15	-17487754833
16	-19391512145
17	2195014332465
18	2404879675441
19	-341282303124693
20	-370371188237525
21	64397376340013805
22	69348874393137901
23	-14499110277050234553

[0, 0, 1, -3, -5, 45, 61, -1113, -1385, 42585, 50521, -2348973, -2702765, 176992725, 199360981, -17487754833, -19391512145, 2195014332465, 2404879675441, -341282303124693, -370371188237525, 64397376340013805, 69348874393137901, -14499110277050234553]

cp's OEIS Frontend

A240559 a(n) = -2^n(E(n, 1/2) + E(n, 1) + (n mod 2)2*(E(n+1, 1/2) + E(n+1, 1))), where E(n, x) are the Euler polynomials.

Table of values

List of values

cp's OEIS Frontend

A240559 a(n) = -2^n*(E(n, 1/2) + E(n, 1) + (n mod 2)*2*(E(n+1, 1/2) + E(n+1, 1))), where E(n, x) are the Euler polynomials.

Table of values

List of values

A240559 a(n) = -2^n(E(n, 1/2) + E(n, 1) + (n mod 2)2*(E(n+1, 1/2) + E(n+1, 1))), where E(n, x) are the Euler polynomials.