A111975 - cp's OEIS frontend

A111975 Triangle P, read by rows, that satisfies [P^2](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(2*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+2,2)=P(k+2,0) for k>=0.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	4
7	4
8	4
9	1
10	16
11	16
12	16
13	8
14	1
15	96
16	96
17	96
18	64
19	16
20	1
21	896
22	896
23	896
24	704
25	256
26	32
27	1
28	13568
29	13568
30	13568
31	11776
32	5504
33	1024
34	64
35	1
36	345088
37	345088
38	345088
39	317952
40	178176
41	43776
42	4096
43	128
44	1
45	15112192
46	15112192
47	15112192
48	14422016

[1, 1, 1, 1, 2, 1, 4, 4, 4, 1, 16, 16, 16, 8, 1, 96, 96, 96, 64, 16, 1, 896, 896, 896, 704, 256, 32, 1, 13568, 13568, 13568, 11776, 5504, 1024, 64, 1, 345088, 345088, 345088, 317952, 178176, 43776, 4096, 128, 1, 15112192, 15112192, 15112192, 14422016]

cp's OEIS Frontend

A111975 Triangle P, read by rows, that satisfies [P^2](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(2*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+2,2)=P(k+2,0) for k>=0.

Table of values

List of values