A067017 - cp's OEIS frontend

A067017 Start with a(0)=1, a(1)=4, a(2)=3, a(3)=2; for n>=3, a(n+1) = mex_i (a(i)+a(n-i)), where mex means smallest nonnegative missing number.

n	a(n)
0	1
1	4
2	3
3	2
4	0
5	0
6	0
7	0
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	6
16	2
17	2
18	0
19	0
20	0
21	0
22	0
23	5
24	1
25	1
26	1
27	1
28	1
29	6
30	2
31	2
32	0
33	0
34	0
35	0
36	0
37	5
38	1
39	1
40	1
41	1
42	1
43	6
44	2
45	2
46	0
47	0
48	0
49	0
50	0
51	5
52	1
53	1
54	1
55	1
56	1
57	6
58	2
59	2
60	0
61	0
62	0
63	0
64	0
65	5
66	1
67	1
68	1
69	1
70	1
71	6
72	2
73	2
74	0
75	0
76	0
77	0
78	0
79	5
80	1
81	1
82	1
83	1
84	1
85	6
86	2
87	2
88	0
89	0
90	0
91	0
92	0
93	5
94	1
95	1
96	1
97	1
98	1
99	6
100	2
101	2
102	0
103	0
104	0

[1, 4, 3, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0, 0, 0, 5, 1, 1, 1, 1, 1, 6, 2, 2, 0, 0, 0]

cp's OEIS Frontend

A067017 Start with a(0)=1, a(1)=4, a(2)=3, a(3)=2; for n>=3, a(n+1) = mex_i (a(i)+a(n-i)), where mex means smallest nonnegative missing number.

Table of values

List of values

n	a(n)
0	1
1	4
2	3
3	2
4	0
5	0
6	0
7	0
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	6
16	2
17	2
18	0
19	0
20	0
21	0
22	0
23	5
24	1
25	1
26	1
27	1
28	1
29	6
30	2
31	2
32	0
33	0
34	0
35	0
36	0
37	5
38	1
39	1
40	1
41	1
42	1
43	6
44	2
45	2
46	0
47	0
48	0
49	0
50	0
51	5
52	1
53	1
54	1
55	1
56	1
57	6
58	2
59	2
60	0
61	0
62	0
63	0
64	0
65	5
66	1
67	1
68	1
69	1
70	1
71	6
72	2
73	2
74	0
75	0
76	0
77	0
78	0
79	5
80	1
81	1
82	1
83	1
84	1
85	6
86	2
87	2
88	0
89	0
90	0
91	0
92	0
93	5
94	1
95	1
96	1
97	1
98	1
99	6
100	2
101	2
102	0
103	0
104	0

n	a(n)
0	1
1	4
2	3
3	2
4	0
5	0
6	0
7	0
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	6
16	2
17	2
18	0
19	0
20	0
21	0
22	0
23	5
24	1
25	1
26	1
27	1
28	1
29	6
30	2
31	2
32	0
33	0
34	0
35	0
36	0
37	5
38	1
39	1
40	1
41	1
42	1
43	6
44	2
45	2
46	0
47	0
48	0
49	0
50	0
51	5
52	1
53	1
54	1
55	1
56	1
57	6
58	2
59	2
60	0
61	0
62	0
63	0
64	0
65	5
66	1
67	1
68	1
69	1
70	1
71	6
72	2
73	2
74	0
75	0
76	0
77	0
78	0
79	5
80	1
81	1
82	1
83	1
84	1
85	6
86	2
87	2
88	0
89	0
90	0
91	0
92	0
93	5
94	1
95	1
96	1
97	1
98	1
99	6
100	2
101	2
102	0
103	0
104	0

n	a(n)
0	1
1	4
2	3
3	2
4	0
5	0
6	0
7	0
8	0
9	5
10	1
11	1
12	1
13	1
14	1
15	6
16	2
17	2
18	0
19	0
20	0
21	0
22	0
23	5
24	1
25	1
26	1
27	1
28	1
29	6
30	2
31	2
32	0
33	0
34	0
35	0
36	0
37	5
38	1
39	1
40	1
41	1
42	1
43	6
44	2
45	2
46	0
47	0
48	0
49	0
50	0
51	5
52	1
53	1
54	1
55	1
56	1
57	6
58	2
59	2
60	0
61	0
62	0
63	0
64	0
65	5
66	1
67	1
68	1
69	1
70	1
71	6
72	2
73	2
74	0
75	0
76	0
77	0
78	0
79	5
80	1
81	1
82	1
83	1
84	1
85	6
86	2
87	2
88	0
89	0
90	0
91	0
92	0
93	5
94	1
95	1
96	1
97	1
98	1
99	6
100	2
101	2
102	0
103	0
104	0