A106174 - cp's OEIS frontend

A106174 a(n) = 2na(n-1) - a(n-2), with a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	4
3	23
4	180
5	1777
6	21144
7	294239
8	4686680
9	84066001
10	1676633340
11	36801867479
12	881568186156
13	22883970972577
14	639869619046000
15	19173204600407423
16	612902677593991536
17	20819517833595304801
18	748889739331836981300

[0, 1, 4, 23, 180, 1777, 21144, 294239, 4686680, 84066001, 1676633340, 36801867479, 881568186156, 22883970972577, 639869619046000, 19173204600407423, 612902677593991536, 20819517833595304801, 748889739331836981300]

cp's OEIS Frontend

A106174 a(n) = 2na(n-1) - a(n-2), with a(0)=0, a(1)=1.

Table of values

List of values

cp's OEIS Frontend

A106174 a(n) = 2*n*a(n-1) - a(n-2), with a(0)=0, a(1)=1.

Table of values

List of values

A106174 a(n) = 2na(n-1) - a(n-2), with a(0)=0, a(1)=1.