A026395 - cp's OEIS frontend

A026395 a(n) = 5*a(n-2), starting 1,2,4.

n	a(n)
0	1
1	2
2	4
3	10
4	20
5	50
6	100
7	250
8	500
9	1250
10	2500
11	6250
12	12500
13	31250
14	62500
15	156250
16	312500
17	781250
18	1562500
19	3906250
20	7812500
21	19531250
22	39062500
23	97656250
24	195312500
25	488281250
26	976562500
27	2441406250
28	4882812500
29	12207031250

[1, 2, 4, 10, 20, 50, 100, 250, 500, 1250, 2500, 6250, 12500, 31250, 62500, 156250, 312500, 781250, 1562500, 3906250, 7812500, 19531250, 39062500, 97656250, 195312500, 488281250, 976562500, 2441406250, 4882812500, 12207031250]

cp's OEIS Frontend

A026395 a(n) = 5*a(n-2), starting 1,2,4.

Table of values

List of values