A117254 - cp's OEIS frontend

A117254 Triangle T, read by rows, where matrix power T^4 has powers of 4 in the secondary diagonal: [T^4](n+1,n) = 4^(n+1), with all 1's in the main diagonal and zeros elsewhere.

n	a(n)
0	1
1	1
2	1
3	-6
4	4
5	1
6	224
7	-96
8	16
9	1
10	-39424
11	14336
12	-1536
13	64
14	1
15	30277632
16	-10092544
17	917504
18	-24576
19	256
20	1
21	-98180268032
22	31004295168
23	-2583691264
24	58720256
25	-393216
26	1024
27	1
28	1321338098679808
29	-402146377859072
30	31748398252032
31	-661424963584
32	3758096384
33	-6291456
34	4096
35	1

[1, 1, 1, -6, 4, 1, 224, -96, 16, 1, -39424, 14336, -1536, 64, 1, 30277632, -10092544, 917504, -24576, 256, 1, -98180268032, 31004295168, -2583691264, 58720256, -393216, 1024, 1, 1321338098679808, -402146377859072, 31748398252032, -661424963584, 3758096384, -6291456, 4096, 1]

cp's OEIS Frontend

A117254 Triangle T, read by rows, where matrix power T^4 has powers of 4 in the secondary diagonal: [T^4](n+1,n) = 4^(n+1), with all 1's in the main diagonal and zeros elsewhere.

Table of values

List of values