A163141 - cp's OEIS frontend

A163141 a(n) = 5*a(n-2) for n > 2; a(1) = 4, a(2) = 5.

n	a(n)
1	4
2	5
3	20
4	25
5	100
6	125
7	500
8	625
9	2500
10	3125
11	12500
12	15625
13	62500
14	78125
15	312500
16	390625
17	1562500
18	1953125
19	7812500
20	9765625
21	39062500
22	48828125
23	195312500
24	244140625
25	976562500
26	1220703125
27	4882812500
28	6103515625
29	24414062500

[4, 5, 20, 25, 100, 125, 500, 625, 2500, 3125, 12500, 15625, 62500, 78125, 312500, 390625, 1562500, 1953125, 7812500, 9765625, 39062500, 48828125, 195312500, 244140625, 976562500, 1220703125, 4882812500, 6103515625, 24414062500]

cp's OEIS Frontend

A163141 a(n) = 5*a(n-2) for n > 2; a(1) = 4, a(2) = 5.

Table of values

List of values