A118190 - cp's OEIS frontend

A118190 Triangle T(n,k) = 5^(k*(n-k)) for n >= k >= 0, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	25
8	25
9	1
10	1
11	125
12	625
13	125
14	1
15	1
16	625
17	15625
18	15625
19	625
20	1
21	1
22	3125
23	390625
24	1953125
25	390625
26	3125
27	1
28	1
29	15625
30	9765625
31	244140625
32	244140625
33	9765625
34	15625
35	1
36	1
37	78125
38	244140625
39	30517578125
40	152587890625
41	30517578125
42	244140625
43	78125
44	1

[1, 1, 1, 1, 5, 1, 1, 25, 25, 1, 1, 125, 625, 125, 1, 1, 625, 15625, 15625, 625, 1, 1, 3125, 390625, 1953125, 390625, 3125, 1, 1, 15625, 9765625, 244140625, 244140625, 9765625, 15625, 1, 1, 78125, 244140625, 30517578125, 152587890625, 30517578125, 244140625, 78125, 1]

cp's OEIS Frontend

A118190 Triangle T(n,k) = 5^(k*(n-k)) for n >= k >= 0, read by rows.

Table of values

List of values