A276667 - cp's OEIS frontend

A276667 a(n) = numerator(b(2n)) with b(n) = n!Bernoulli(n,1/2)/(n*(n-1)) for n>=2, b(0)=1, b(1)=0.

n	a(n)
0	1
1	-1
2	7
3	-31
4	381
5	-268275
6	190954395
7	-8940271725
8	336335206772565
9	-174821527924918875
10	54202314805255255275
11	-5543854406384412644150625
12	3114120189113602279924264875
13	-14151357141482747539875264868125
14	10216485085859695459247479126412709375

[1, -1, 7, -31, 381, -268275, 190954395, -8940271725, 336335206772565, -174821527924918875, 54202314805255255275, -5543854406384412644150625, 3114120189113602279924264875, -14151357141482747539875264868125, 10216485085859695459247479126412709375]

cp's OEIS Frontend

A276667 a(n) = numerator(b(2n)) with b(n) = n!Bernoulli(n,1/2)/(n*(n-1)) for n>=2, b(0)=1, b(1)=0.

Table of values

List of values

cp's OEIS Frontend

A276667 a(n) = numerator(b(2*n)) with b(n) = n!*Bernoulli(n,1/2)/(n*(n-1)) for n>=2, b(0)=1, b(1)=0.

Table of values

List of values

A276667 a(n) = numerator(b(2n)) with b(n) = n!Bernoulli(n,1/2)/(n*(n-1)) for n>=2, b(0)=1, b(1)=0.