A088226 - cp's OEIS frontend

A088226 a(1)=0, a(2)=0, a(3)=1; for n>3, a(n) = abs(a(n-1) - a(n-2) - a(n-3)).

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	1
8	1
9	2
10	0
11	3
12	1
13	2
14	2
15	1
16	3
17	0
18	4
19	1
20	3
21	2
22	2
23	3
24	1
25	4
26	0
27	5
28	1
29	4
30	2
31	3
32	3
33	2
34	4
35	1
36	5
37	0
38	6
39	1
40	5
41	2
42	4
43	3
44	3
45	4
46	2
47	5
48	1
49	6
50	0
51	7
52	1
53	6
54	2
55	5
56	3
57	4
58	4
59	3
60	5
61	2
62	6
63	1
64	7
65	0
66	8
67	1
68	7
69	2
70	6
71	3
72	5
73	4
74	4
75	5
76	3
77	6
78	2
79	7
80	1
81	8
82	0
83	9
84	1
85	8
86	2
87	7
88	3
89	6
90	4
91	5
92	5
93	4
94	6
95	3
96	7
97	2
98	8
99	1
100	9
101	0
102	10
103	1
104	9
105	2

[0, 0, 1, 1, 0, 2, 1, 1, 2, 0, 3, 1, 2, 2, 1, 3, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 5, 1, 4, 2, 3, 3, 2, 4, 1, 5, 0, 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 6, 0, 7, 1, 6, 2, 5, 3, 4, 4, 3, 5, 2, 6, 1, 7, 0, 8, 1, 7, 2, 6, 3, 5, 4, 4, 5, 3, 6, 2, 7, 1, 8, 0, 9, 1, 8, 2, 7, 3, 6, 4, 5, 5, 4, 6, 3, 7, 2, 8, 1, 9, 0, 10, 1, 9, 2]

cp's OEIS Frontend

A088226 a(1)=0, a(2)=0, a(3)=1; for n>3, a(n) = abs(a(n-1) - a(n-2) - a(n-3)).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	1
8	1
9	2
10	0
11	3
12	1
13	2
14	2
15	1
16	3
17	0
18	4
19	1
20	3
21	2
22	2
23	3
24	1
25	4
26	0
27	5
28	1
29	4
30	2
31	3
32	3
33	2
34	4
35	1
36	5
37	0
38	6
39	1
40	5
41	2
42	4
43	3
44	3
45	4
46	2
47	5
48	1
49	6
50	0
51	7
52	1
53	6
54	2
55	5
56	3
57	4
58	4
59	3
60	5
61	2
62	6
63	1
64	7
65	0
66	8
67	1
68	7
69	2
70	6
71	3
72	5
73	4
74	4
75	5
76	3
77	6
78	2
79	7
80	1
81	8
82	0
83	9
84	1
85	8
86	2
87	7
88	3
89	6
90	4
91	5
92	5
93	4
94	6
95	3
96	7
97	2
98	8
99	1
100	9
101	0
102	10
103	1
104	9
105	2

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	1
8	1
9	2
10	0
11	3
12	1
13	2
14	2
15	1
16	3
17	0
18	4
19	1
20	3
21	2
22	2
23	3
24	1
25	4
26	0
27	5
28	1
29	4
30	2
31	3
32	3
33	2
34	4
35	1
36	5
37	0
38	6
39	1
40	5
41	2
42	4
43	3
44	3
45	4
46	2
47	5
48	1
49	6
50	0
51	7
52	1
53	6
54	2
55	5
56	3
57	4
58	4
59	3
60	5
61	2
62	6
63	1
64	7
65	0
66	8
67	1
68	7
69	2
70	6
71	3
72	5
73	4
74	4
75	5
76	3
77	6
78	2
79	7
80	1
81	8
82	0
83	9
84	1
85	8
86	2
87	7
88	3
89	6
90	4
91	5
92	5
93	4
94	6
95	3
96	7
97	2
98	8
99	1
100	9
101	0
102	10
103	1
104	9
105	2

n	a(n)
1	0
2	0
3	1
4	1
5	0
6	2
7	1
8	1
9	2
10	0
11	3
12	1
13	2
14	2
15	1
16	3
17	0
18	4
19	1
20	3
21	2
22	2
23	3
24	1
25	4
26	0
27	5
28	1
29	4
30	2
31	3
32	3
33	2
34	4
35	1
36	5
37	0
38	6
39	1
40	5
41	2
42	4
43	3
44	3
45	4
46	2
47	5
48	1
49	6
50	0
51	7
52	1
53	6
54	2
55	5
56	3
57	4
58	4
59	3
60	5
61	2
62	6
63	1
64	7
65	0
66	8
67	1
68	7
69	2
70	6
71	3
72	5
73	4
74	4
75	5
76	3
77	6
78	2
79	7
80	1
81	8
82	0
83	9
84	1
85	8
86	2
87	7
88	3
89	6
90	4
91	5
92	5
93	4
94	6
95	3
96	7
97	2
98	8
99	1
100	9
101	0
102	10
103	1
104	9
105	2