A259615 - cp's OEIS frontend

A259615 a(0)=0, a(1)=a(2)=a(3)=a(4)=1; thereafter, a(n) = Sum_{k=1..5} a(n-k-(a(n-k) mod 5)).

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	3
6	4
7	5
8	9
9	9
10	11
11	19
12	23
13	27
14	45
15	87
16	105
17	205
18	401
19	587
20	747
21	1121
22	1763
23	2145
24	4085
25	7965
26	15529
27	16545
28	32503
29	38323
30	49767
31	74305
32	146847
33	180069
34	210427
35	341745
36	650987
37	787109
38	917411

[0, 1, 1, 1, 1, 3, 4, 5, 9, 9, 11, 19, 23, 27, 45, 87, 105, 205, 401, 587, 747, 1121, 1763, 2145, 4085, 7965, 15529, 16545, 32503, 38323, 49767, 74305, 146847, 180069, 210427, 341745, 650987, 787109, 917411]

cp's OEIS Frontend

A259615 a(0)=0, a(1)=a(2)=a(3)=a(4)=1; thereafter, a(n) = Sum_{k=1..5} a(n-k-(a(n-k) mod 5)).

Table of values

List of values