A002370 - cp's OEIS frontend

A002370 a(n) = (2n-1)^2 a(n-1) - 3C(2n-1,3) * a(n-2) for n>1; a(0) = a(1) = 1.

n	a(n)
0	1
1	1
2	6
3	120
4	5250
5	395010
6	45197460
7	7299452160
8	1580682203100
9	441926274289500
10	154940341854097800
11	66565404923242024800
12	34389901168124209507800
13	21034386936107260971255000
14	15032296693671903309613950000
15	12411582569784462888618434640000

[1, 1, 6, 120, 5250, 395010, 45197460, 7299452160, 1580682203100, 441926274289500, 154940341854097800, 66565404923242024800, 34389901168124209507800, 21034386936107260971255000, 15032296693671903309613950000, 12411582569784462888618434640000]

cp's OEIS Frontend

A002370 a(n) = (2n-1)^2 a(n-1) - 3C(2n-1,3) * a(n-2) for n>1; a(0) = a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A002370 a(n) = (2*n-1)^2 * a(n-1) - 3*C(2*n-1,3) * a(n-2) for n>1; a(0) = a(1) = 1.

Table of values

List of values

A002370 a(n) = (2n-1)^2 a(n-1) - 3C(2n-1,3) * a(n-2) for n>1; a(0) = a(1) = 1.