A141845 - cp's OEIS frontend

A141845 a(n) = 5*a(n-1) + A047201(n), a(1) = 1. A047201 = numbers not divisible by 5: (1, 2, 3, 4, 6, 7, 8, 9, 11, ...).

n	a(n)
1	1
2	7
3	38
4	194
5	976
6	4887
7	24443
8	122224
9	611131
10	3055667
11	15278348
12	76391754
13	381958786
14	1909793947
15	9548969753
16	47744848784
17	238724243941
18	1193621219727
19	5968106098658
20	29840530493314
21	149202652466596
22	746013262333007

[1, 7, 38, 194, 976, 4887, 24443, 122224, 611131, 3055667, 15278348, 76391754, 381958786, 1909793947, 9548969753, 47744848784, 238724243941, 1193621219727, 5968106098658, 29840530493314, 149202652466596, 746013262333007]

cp's OEIS Frontend

A141845 a(n) = 5*a(n-1) + A047201(n), a(1) = 1. A047201 = numbers not divisible by 5: (1, 2, 3, 4, 6, 7, 8, 9, 11, ...).

Table of values

List of values