A285866 - cp's OEIS frontend

A285866 a(n) = numerator((-2)^nSum_{k=0..n} binomial(n,k) Bernoulli(k, 1/2)).

n	a(n)
0	1
1	-2
2	11
3	-6
4	127
5	-10
6	221
7	-14
8	367
9	-18
10	-1895
11	-22
12	1447237
13	-26
14	-57253
15	-30
16	118526399
17	-34
18	-5749677193
19	-38
20	91546283957
21	-42
22	-1792042789427
23	-46
24	1982765468376757
25	-50
26	-286994504449237
27	-54
28	3187598676787485443
29	-58
30	-4625594554880206360895
31	-62

[1, -2, 11, -6, 127, -10, 221, -14, 367, -18, -1895, -22, 1447237, -26, -57253, -30, 118526399, -34, -5749677193, -38, 91546283957, -42, -1792042789427, -46, 1982765468376757, -50, -286994504449237, -54, 3187598676787485443, -58, -4625594554880206360895, -62]

cp's OEIS Frontend

A285866 a(n) = numerator((-2)^nSum_{k=0..n} binomial(n,k) Bernoulli(k, 1/2)).

Table of values

List of values

cp's OEIS Frontend

A285866 a(n) = numerator((-2)^n*Sum_{k=0..n} binomial(n,k) * Bernoulli(k, 1/2)).

Table of values

List of values

A285866 a(n) = numerator((-2)^nSum_{k=0..n} binomial(n,k) Bernoulli(k, 1/2)).