A076552 - cp's OEIS frontend

A076552 a(n) = (-1)^(n+1)/3/(2n+1) * Sum_{k=0..n} 16^kB(2k)C(2n+1,2k) where B(k) denotes the k-th Bernoulli number.

n	a(n)
1	1
2	1
3	21
4	461
5	16841
6	900921
7	66453661
8	6463837381
9	801626558481
10	123457062745841
11	23116291464379301
12	5171511387852362301
13	1362357503097707964121
14	417419880467876621822761
15	147181297749674368184560941
16	59173130526513096478888263221

[1, 1, 21, 461, 16841, 900921, 66453661, 6463837381, 801626558481, 123457062745841, 23116291464379301, 5171511387852362301, 1362357503097707964121, 417419880467876621822761, 147181297749674368184560941, 59173130526513096478888263221]

cp's OEIS Frontend

A076552 a(n) = (-1)^(n+1)/3/(2n+1) * Sum_{k=0..n} 16^kB(2k)C(2n+1,2k) where B(k) denotes the k-th Bernoulli number.

Table of values

List of values

cp's OEIS Frontend

A076552 a(n) = (-1)^(n+1)/3/(2n+1) * Sum_{k=0..n} 16^k*B(2k)*C(2n+1,2k) where B(k) denotes the k-th Bernoulli number.

Table of values

List of values

A076552 a(n) = (-1)^(n+1)/3/(2n+1) * Sum_{k=0..n} 16^kB(2k)C(2n+1,2k) where B(k) denotes the k-th Bernoulli number.