A123943 - cp's OEIS frontend

A123943 The (1,5)-entry in the 5 X 5 matrix M^n, where M={{5, 3, 2, 1, 1}, {3, 2, 1, 1, 0}, {2, 1, 1, 0, 0}, {1, 1, 0, 0, 0}, {1, 0, 0, 0, 0}}.

n	a(n)
0	0
1	1
2	5
3	40
4	315
5	2490
6	19681
7	155563
8	1229604
9	9719061
10	76821600
11	607214857
12	4799560053
13	37936780428
14	299860673343
15	2370164848026
16	18734305316497
17	148080078051971
18	1170457572108040
19	9251554605638681
20	73126326541645648
21	578006601205833441

[0, 1, 5, 40, 315, 2490, 19681, 155563, 1229604, 9719061, 76821600, 607214857, 4799560053, 37936780428, 299860673343, 2370164848026, 18734305316497, 148080078051971, 1170457572108040, 9251554605638681, 73126326541645648, 578006601205833441]

cp's OEIS Frontend

A123943 The (1,5)-entry in the 5 X 5 matrix M^n, where M={{5, 3, 2, 1, 1}, {3, 2, 1, 1, 0}, {2, 1, 1, 0, 0}, {1, 1, 0, 0, 0}, {1, 0, 0, 0, 0}}.

Table of values

List of values