A210841 - cp's OEIS frontend

A210841 Coordinates (x,y) of the endpoint of a structure (or curve) formed by Q-toothpicks of size = 1..n. The inflection points are the n-th nodes if n is prime.

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	-1
6	6
7	-4
8	10
9	-8
10	5
11	-13
12	-1
13	-19
14	6
15	-26
16	14
17	-34
18	5
19	-43
20	-5
21	-33
22	6
23	-22
24	18
25	-10
26	5
27	3
28	-9
29	17
30	6
31	32
32	22
33	16
34	5
35	-1
36	-13
37	-19
38	6
39	-38
40	26
41	-58
42	5
43	-79
44	-17
45	-57
46	6
47	-34
48	30
49	-10
50	5
51	15
52	-21
53	-11
54	6
55	-38
56	34
57	-10
58	5
59	19
60	-25
61	49
62	6
63	80
64	38
65	112

[0, 0, 1, 1, 3, -1, 6, -4, 10, -8, 5, -13, -1, -19, 6, -26, 14, -34, 5, -43, -5, -33, 6, -22, 18, -10, 5, 3, -9, 17, 6, 32, 22, 16, 5, -1, -13, -19, 6, -38, 26, -58, 5, -79, -17, -57, 6, -34, 30, -10, 5, 15, -21, -11, 6, -38, 34, -10, 5, 19, -25, 49, 6, 80, 38, 112]

cp's OEIS Frontend

A210841 Coordinates (x,y) of the endpoint of a structure (or curve) formed by Q-toothpicks of size = 1..n. The inflection points are the n-th nodes if n is prime.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	-1
6	6
7	-4
8	10
9	-8
10	5
11	-13
12	-1
13	-19
14	6
15	-26
16	14
17	-34
18	5
19	-43
20	-5
21	-33
22	6
23	-22
24	18
25	-10
26	5
27	3
28	-9
29	17
30	6
31	32
32	22
33	16
34	5
35	-1
36	-13
37	-19
38	6
39	-38
40	26
41	-58
42	5
43	-79
44	-17
45	-57
46	6
47	-34
48	30
49	-10
50	5
51	15
52	-21
53	-11
54	6
55	-38
56	34
57	-10
58	5
59	19
60	-25
61	49
62	6
63	80
64	38
65	112

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	-1
6	6
7	-4
8	10
9	-8
10	5
11	-13
12	-1
13	-19
14	6
15	-26
16	14
17	-34
18	5
19	-43
20	-5
21	-33
22	6
23	-22
24	18
25	-10
26	5
27	3
28	-9
29	17
30	6
31	32
32	22
33	16
34	5
35	-1
36	-13
37	-19
38	6
39	-38
40	26
41	-58
42	5
43	-79
44	-17
45	-57
46	6
47	-34
48	30
49	-10
50	5
51	15
52	-21
53	-11
54	6
55	-38
56	34
57	-10
58	5
59	19
60	-25
61	49
62	6
63	80
64	38
65	112

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	-1
6	6
7	-4
8	10
9	-8
10	5
11	-13
12	-1
13	-19
14	6
15	-26
16	14
17	-34
18	5
19	-43
20	-5
21	-33
22	6
23	-22
24	18
25	-10
26	5
27	3
28	-9
29	17
30	6
31	32
32	22
33	16
34	5
35	-1
36	-13
37	-19
38	6
39	-38
40	26
41	-58
42	5
43	-79
44	-17
45	-57
46	6
47	-34
48	30
49	-10
50	5
51	15
52	-21
53	-11
54	6
55	-38
56	34
57	-10
58	5
59	19
60	-25
61	49
62	6
63	80
64	38
65	112