A262951 - cp's OEIS frontend

A262951 a(1) = 1, a(2) = 3, a(3) = 4 and for n>=4, a(n) = (a(n-3)+a(n-2)+a(n-1)+k) mod 10 where k = a(n/6) if n is divisible by 6, else 0.

n	a(n)
1	1
2	3
3	4
4	8
5	5
6	7
7	0
8	2
9	9
10	1
11	2
12	5
13	8
14	5
15	8
16	1
17	4
18	7
19	2
20	3
21	2
22	7
23	2
24	9
25	8
26	9
27	6
28	3
29	8
30	2
31	3
32	3
33	8
34	4
35	5
36	4
37	3
38	2
39	9
40	4
41	5
42	8
43	7
44	0
45	5
46	2
47	7
48	6
49	5
50	8
51	9
52	2
53	9
54	9
55	0
56	8
57	7
58	5
59	0
60	3
61	8
62	1
63	2
64	1
65	4
66	9
67	4
68	7
69	0
70	1
71	8
72	4
73	3
74	5
75	2
76	0
77	7
78	7
79	4
80	8
81	9
82	1
83	8
84	3
85	2
86	3
87	8

[1, 3, 4, 8, 5, 7, 0, 2, 9, 1, 2, 5, 8, 5, 8, 1, 4, 7, 2, 3, 2, 7, 2, 9, 8, 9, 6, 3, 8, 2, 3, 3, 8, 4, 5, 4, 3, 2, 9, 4, 5, 8, 7, 0, 5, 2, 7, 6, 5, 8, 9, 2, 9, 9, 0, 8, 7, 5, 0, 3, 8, 1, 2, 1, 4, 9, 4, 7, 0, 1, 8, 4, 3, 5, 2, 0, 7, 7, 4, 8, 9, 1, 8, 3, 2, 3, 8]

cp's OEIS Frontend

A262951 a(1) = 1, a(2) = 3, a(3) = 4 and for n>=4, a(n) = (a(n-3)+a(n-2)+a(n-1)+k) mod 10 where k = a(n/6) if n is divisible by 6, else 0.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	8
5	5
6	7
7	0
8	2
9	9
10	1
11	2
12	5
13	8
14	5
15	8
16	1
17	4
18	7
19	2
20	3
21	2
22	7
23	2
24	9
25	8
26	9
27	6
28	3
29	8
30	2
31	3
32	3
33	8
34	4
35	5
36	4
37	3
38	2
39	9
40	4
41	5
42	8
43	7
44	0
45	5
46	2
47	7
48	6
49	5
50	8
51	9
52	2
53	9
54	9
55	0
56	8
57	7
58	5
59	0
60	3
61	8
62	1
63	2
64	1
65	4
66	9
67	4
68	7
69	0
70	1
71	8
72	4
73	3
74	5
75	2
76	0
77	7
78	7
79	4
80	8
81	9
82	1
83	8
84	3
85	2
86	3
87	8

n	a(n)
1	1
2	3
3	4
4	8
5	5
6	7
7	0
8	2
9	9
10	1
11	2
12	5
13	8
14	5
15	8
16	1
17	4
18	7
19	2
20	3
21	2
22	7
23	2
24	9
25	8
26	9
27	6
28	3
29	8
30	2
31	3
32	3
33	8
34	4
35	5
36	4
37	3
38	2
39	9
40	4
41	5
42	8
43	7
44	0
45	5
46	2
47	7
48	6
49	5
50	8
51	9
52	2
53	9
54	9
55	0
56	8
57	7
58	5
59	0
60	3
61	8
62	1
63	2
64	1
65	4
66	9
67	4
68	7
69	0
70	1
71	8
72	4
73	3
74	5
75	2
76	0
77	7
78	7
79	4
80	8
81	9
82	1
83	8
84	3
85	2
86	3
87	8

n	a(n)
1	1
2	3
3	4
4	8
5	5
6	7
7	0
8	2
9	9
10	1
11	2
12	5
13	8
14	5
15	8
16	1
17	4
18	7
19	2
20	3
21	2
22	7
23	2
24	9
25	8
26	9
27	6
28	3
29	8
30	2
31	3
32	3
33	8
34	4
35	5
36	4
37	3
38	2
39	9
40	4
41	5
42	8
43	7
44	0
45	5
46	2
47	7
48	6
49	5
50	8
51	9
52	2
53	9
54	9
55	0
56	8
57	7
58	5
59	0
60	3
61	8
62	1
63	2
64	1
65	4
66	9
67	4
68	7
69	0
70	1
71	8
72	4
73	3
74	5
75	2
76	0
77	7
78	7
79	4
80	8
81	9
82	1
83	8
84	3
85	2
86	3
87	8