A110898 - cp's OEIS frontend

A110898 a(n) = 1 + a(n - a(n-1)) (n - a(n-1)) mod 3 + (n - a(n-2)) mod 4, with a(0) = 0, a(1) = 1.

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

[0, 1, 3, 3, 2, 6, 1, 3, 8, 3, 5, 2, 8, 8, 4, 4, 9, 8, 6, 11, 6, 7, 5, 7, 10, 7, 11, 9, 12, 7, 8, 6, 10, 9, 7, 14, 6, 9, 6, 12, 14, 11, 6, 9, 15, 9, 12, 15, 10, 15, 13, 5, 17, 7, 15, 14, 8, 18, 16, 10, 12, 18, 16, 15, 15, 14, 20, 15, 6, 18, 17, 17, 17, 7, 16, 9, 15, 15, 19, 13, 16, 13, 21, 17]

cp's OEIS Frontend

A110898 a(n) = 1 + a(n - a(n-1)) (n - a(n-1)) mod 3 + (n - a(n-2)) mod 4, with a(0) = 0, a(1) = 1.

Table of values

List of values

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

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

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