A070778 - cp's OEIS frontend

A070778 Let M denote the 6 X 6 matrix = row by row /1,1,1,1,1,1/1,1,1,1,1,0/1,1,1,1,0,0/1,1,1,0,0,0/1,1,0,0,0,0/1,0,0,0,0,0/ and A(n) the vector (x(n),y(n),z(n),t(n),u(n),v(n)) = M^n*A where A is the vector (1,1,1,1,1,1); then a(n) = u(n).

n	a(n)
0	1
1	2
2	11
3	41
4	176
5	721
6	3003
7	12439
8	51623
9	214103
10	888173
11	3684174
12	15282475
13	63393324
14	262962987
15	1090800411
16	4524765831
17	18769248040
18	77856998326
19	322959774150
20	1339674254489
21	5557122741105
22	23051583675890
23	95620617831960
24	396645310086831
25	1645330322871807

[1, 2, 11, 41, 176, 721, 3003, 12439, 51623, 214103, 888173, 3684174, 15282475, 63393324, 262962987, 1090800411, 4524765831, 18769248040, 77856998326, 322959774150, 1339674254489, 5557122741105, 23051583675890, 95620617831960, 396645310086831, 1645330322871807]

cp's OEIS Frontend

A070778 Let M denote the 6 X 6 matrix = row by row /1,1,1,1,1,1/1,1,1,1,1,0/1,1,1,1,0,0/1,1,1,0,0,0/1,1,0,0,0,0/1,0,0,0,0,0/ and A(n) the vector (x(n),y(n),z(n),t(n),u(n),v(n)) = M^n*A where A is the vector (1,1,1,1,1,1); then a(n) = u(n).

Table of values

List of values