A117256 - cp's OEIS frontend

A117256 Triangle T, read by rows, where matrix power T^5 has powers of 5 in the secondary diagonal: [T^5](n+1,n) = 5^(n+1), with all 1's in the main diagonal and zeros elsewhere.

n	a(n)
0	1
1	1
2	1
3	-10
4	5
5	1
6	750
7	-250
8	25
9	1
10	-328125
11	93750
12	-6250
13	125
14	1
15	779296875
16	-205078125
17	11718750
18	-156250
19	625
20	1
21	-9741210937500
22	2435302734375
23	-128173828125
24	1464843750
25	-3906250
26	3125
27	1
28	630569458007812500
29	-152206420898437500
30	7610321044921875

[1, 1, 1, -10, 5, 1, 750, -250, 25, 1, -328125, 93750, -6250, 125, 1, 779296875, -205078125, 11718750, -156250, 625, 1, -9741210937500, 2435302734375, -128173828125, 1464843750, -3906250, 3125, 1, 630569458007812500, -152206420898437500, 7610321044921875]

cp's OEIS Frontend

A117256 Triangle T, read by rows, where matrix power T^5 has powers of 5 in the secondary diagonal: [T^5](n+1,n) = 5^(n+1), with all 1's in the main diagonal and zeros elsewhere.

Table of values

List of values