A001108 - cp's OEIS frontend

A001108 a(n)-th triangular number is a square: a(n+1) = 6*a(n) - a(n-1) + 2, with a(0) = 0, a(1) = 1.

n	a(n)
0	0
1	1
2	8
3	49
4	288
5	1681
6	9800
7	57121
8	332928
9	1940449
10	11309768
11	65918161
12	384199200
13	2239277041
14	13051463048
15	76069501249
16	443365544448
17	2584123765441
18	15061377048200
19	87784138523761
20	511643454094368
21	2982076586042449
22	17380816062160328
23	101302819786919521

[0, 1, 8, 49, 288, 1681, 9800, 57121, 332928, 1940449, 11309768, 65918161, 384199200, 2239277041, 13051463048, 76069501249, 443365544448, 2584123765441, 15061377048200, 87784138523761, 511643454094368, 2982076586042449, 17380816062160328, 101302819786919521]

cp's OEIS Frontend

A001108 a(n)-th triangular number is a square: a(n+1) = 6*a(n) - a(n-1) + 2, with a(0) = 0, a(1) = 1.

Table of values

List of values