A103239 - cp's OEIS frontend

A103239 Column 0 of triangular matrix T = A103238, which satisfies: T^2 + T = SHIFTUP(T) where diagonal(T)={1,2,3,...}.

n	a(n)
0	1
1	2
2	8
3	52
4	480
5	5816
6	87936
7	1601728
8	34251520
9	843099616
10	23520367488
11	734404134336
12	25402332040704
13	964965390917120
14	39964015456707584
15	1793140743838290432
16	86691698782589288448
17	4494521175128812273152

[1, 2, 8, 52, 480, 5816, 87936, 1601728, 34251520, 843099616, 23520367488, 734404134336, 25402332040704, 964965390917120, 39964015456707584, 1793140743838290432, 86691698782589288448, 4494521175128812273152]

cp's OEIS Frontend

A103239 Column 0 of triangular matrix T = A103238, which satisfies: T^2 + T = SHIFTUP(T) where diagonal(T)={1,2,3,...}.

Table of values

List of values