A343688 - cp's OEIS frontend

A343688 a(1)=1, a(2)=0, a(n) = (4n-2)a(n-1) + a(n-2), n > 2.

n	a(n)
1	1
2	0
3	1
4	14
5	253
6	5580
7	145333
8	4365570
9	148574713
10	5650204664
11	237457170601
12	10928680052310
13	546671459786101
14	29531187508501764
15	1713355546952888413
16	106257575098587583370
17	7014713312053733390833
18	491136189418859924941680
19	36351092730307688179075153

[1, 0, 1, 14, 253, 5580, 145333, 4365570, 148574713, 5650204664, 237457170601, 10928680052310, 546671459786101, 29531187508501764, 1713355546952888413, 106257575098587583370, 7014713312053733390833, 491136189418859924941680, 36351092730307688179075153]

cp's OEIS Frontend

A343688 a(1)=1, a(2)=0, a(n) = (4n-2)a(n-1) + a(n-2), n > 2.

Table of values

List of values

cp's OEIS Frontend

A343688 a(1)=1, a(2)=0, a(n) = (4*n-2)*a(n-1) + a(n-2), n > 2.

Table of values

List of values

A343688 a(1)=1, a(2)=0, a(n) = (4n-2)a(n-1) + a(n-2), n > 2.