A347425 - cp's OEIS frontend

A347425 a(n) = Bernoulli(2n) (2n+1)! if 2n+1 is a prime, otherwise a(n) = Bernoulli(2n) (2*n)!.

n	a(n)
0	1
1	1
2	-4
3	120
4	-1344
5	3024000
6	-1576143360
7	101708006400
8	-2522591034163200
9	6686974460694528000
10	-1287307431968882688000
11	160078872315904478576640000
12	-53718579665963356985229312000
13	574898901006059006921736192000000
14	-241364461951740682229320388129587200000

[1, 1, -4, 120, -1344, 3024000, -1576143360, 101708006400, -2522591034163200, 6686974460694528000, -1287307431968882688000, 160078872315904478576640000, -53718579665963356985229312000, 574898901006059006921736192000000, -241364461951740682229320388129587200000]

cp's OEIS Frontend

A347425 a(n) = Bernoulli(2n) (2n+1)! if 2n+1 is a prime, otherwise a(n) = Bernoulli(2n) (2*n)!.

Table of values

List of values

cp's OEIS Frontend

A347425 a(n) = Bernoulli(2*n) * (2*n+1)! if 2*n+1 is a prime, otherwise a(n) = Bernoulli(2*n) * (2*n)!.

Table of values

List of values

A347425 a(n) = Bernoulli(2n) (2n+1)! if 2n+1 is a prime, otherwise a(n) = Bernoulli(2n) (2*n)!.