A013612 - cp's OEIS frontend

A013612 Triangle of coefficients in expansion of (1+5x)^n.

n	a(n)
0	1
1	1
2	5
3	1
4	10
5	25
6	1
7	15
8	75
9	125
10	1
11	20
12	150
13	500
14	625
15	1
16	25
17	250
18	1250
19	3125
20	3125
21	1
22	30
23	375
24	2500
25	9375
26	18750
27	15625
28	1
29	35
30	525
31	4375
32	21875
33	65625
34	109375
35	78125
36	1
37	40
38	700
39	7000
40	43750
41	175000
42	437500
43	625000
44	390625
45	1
46	45
47	900
48	10500
49	78750
50	393750
51	1312500
52	2812500
53	3515625
54	1953125

[1, 1, 5, 1, 10, 25, 1, 15, 75, 125, 1, 20, 150, 500, 625, 1, 25, 250, 1250, 3125, 3125, 1, 30, 375, 2500, 9375, 18750, 15625, 1, 35, 525, 4375, 21875, 65625, 109375, 78125, 1, 40, 700, 7000, 43750, 175000, 437500, 625000, 390625, 1, 45, 900, 10500, 78750, 393750, 1312500, 2812500, 3515625, 1953125]

cp's OEIS Frontend

A013612 Triangle of coefficients in expansion of (1+5x)^n.

Table of values

List of values