A003520 - cp's OEIS frontend

A003520 a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	3
7	4
8	5
9	6
10	8
11	11
12	15
13	20
14	26
15	34
16	45
17	60
18	80
19	106
20	140
21	185
22	245
23	325
24	431
25	571
26	756
27	1001
28	1326
29	1757
30	2328
31	3084
32	4085
33	5411
34	7168
35	9496
36	12580
37	16665
38	22076
39	29244
40	38740
41	51320
42	67985
43	90061
44	119305
45	158045
46	209365
47	277350
48	367411
49	486716
50	644761

[1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 8, 11, 15, 20, 26, 34, 45, 60, 80, 106, 140, 185, 245, 325, 431, 571, 756, 1001, 1326, 1757, 2328, 3084, 4085, 5411, 7168, 9496, 12580, 16665, 22076, 29244, 38740, 51320, 67985, 90061, 119305, 158045, 209365, 277350, 367411, 486716, 644761]

cp's OEIS Frontend

A003520 a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.

Table of values

List of values