A206532 - cp's OEIS frontend

A206532 a(n) = (2(n+1)(2n+1)-1) * a(n-1) + 2n(2n-1) * a(n-2), a(0) = 1, a(1) = 11.

n	a(n)
0	1
1	11
2	331
3	18535
4	1668151
5	220195931
6	40075659443
7	9618158266319
8	2943156429493615
9	1118399443207573699
10	516700542761899048939
11	285218699604568275014327
12	185392154742969378759312551
13	140156468985684850342040288555

[1, 11, 331, 18535, 1668151, 220195931, 40075659443, 9618158266319, 2943156429493615, 1118399443207573699, 516700542761899048939, 285218699604568275014327, 185392154742969378759312551, 140156468985684850342040288555]

cp's OEIS Frontend

A206532 a(n) = (2(n+1)(2n+1)-1) * a(n-1) + 2n(2n-1) * a(n-2), a(0) = 1, a(1) = 11.

Table of values

List of values