A255709 - cp's OEIS frontend

A255709 No three points (i,a(i)), (j,a(j)), (k,a(k)) are collinear and all values distinct, for n = 0,1,2,... the value of a(n) is chosen to be m or -m (in this order) for the smallest m>=0 satisfying the condition.

n	a(n)
0	0
1	1
2	-1
3	2
4	3
5	-2
6	-5
7	-3
8	4
9	-6
10	6
11	-7
12	-4
13	5
14	12
15	16
16	7
17	8
18	-10
19	-8
20	9
21	19
22	14
23	-12
24	-14
25	-9
26	21
27	10
28	-11
29	-15
30	17
31	15
32	-19
33	13
34	-22
35	-13
36	-16
37	-24
38	11
39	18
40	22
41	-18
42	25
43	23
44	-17
45	24
46	40
47	-21
48	-38
49	20
50	-29
51	36
52	-30
53	-20
54	32
55	-34
56	26
57	43
58	-23
59	37
60	-26
61	33

[0, 1, -1, 2, 3, -2, -5, -3, 4, -6, 6, -7, -4, 5, 12, 16, 7, 8, -10, -8, 9, 19, 14, -12, -14, -9, 21, 10, -11, -15, 17, 15, -19, 13, -22, -13, -16, -24, 11, 18, 22, -18, 25, 23, -17, 24, 40, -21, -38, 20, -29, 36, -30, -20, 32, -34, 26, 43, -23, 37, -26, 33]

cp's OEIS Frontend

A255709 No three points (i,a(i)), (j,a(j)), (k,a(k)) are collinear and all values distinct, for n = 0,1,2,... the value of a(n) is chosen to be m or -m (in this order) for the smallest m>=0 satisfying the condition.

Table of values

List of values

n	a(n)
0	0
1	1
2	-1
3	2
4	3
5	-2
6	-5
7	-3
8	4
9	-6
10	6
11	-7
12	-4
13	5
14	12
15	16
16	7
17	8
18	-10
19	-8
20	9
21	19
22	14
23	-12
24	-14
25	-9
26	21
27	10
28	-11
29	-15
30	17
31	15
32	-19
33	13
34	-22
35	-13
36	-16
37	-24
38	11
39	18
40	22
41	-18
42	25
43	23
44	-17
45	24
46	40
47	-21
48	-38
49	20
50	-29
51	36
52	-30
53	-20
54	32
55	-34
56	26
57	43
58	-23
59	37
60	-26
61	33

n	a(n)
0	0
1	1
2	-1
3	2
4	3
5	-2
6	-5
7	-3
8	4
9	-6
10	6
11	-7
12	-4
13	5
14	12
15	16
16	7
17	8
18	-10
19	-8
20	9
21	19
22	14
23	-12
24	-14
25	-9
26	21
27	10
28	-11
29	-15
30	17
31	15
32	-19
33	13
34	-22
35	-13
36	-16
37	-24
38	11
39	18
40	22
41	-18
42	25
43	23
44	-17
45	24
46	40
47	-21
48	-38
49	20
50	-29
51	36
52	-30
53	-20
54	32
55	-34
56	26
57	43
58	-23
59	37
60	-26
61	33

n	a(n)
0	0
1	1
2	-1
3	2
4	3
5	-2
6	-5
7	-3
8	4
9	-6
10	6
11	-7
12	-4
13	5
14	12
15	16
16	7
17	8
18	-10
19	-8
20	9
21	19
22	14
23	-12
24	-14
25	-9
26	21
27	10
28	-11
29	-15
30	17
31	15
32	-19
33	13
34	-22
35	-13
36	-16
37	-24
38	11
39	18
40	22
41	-18
42	25
43	23
44	-17
45	24
46	40
47	-21
48	-38
49	20
50	-29
51	36
52	-30
53	-20
54	32
55	-34
56	26
57	43
58	-23
59	37
60	-26
61	33