A008343 - cp's OEIS frontend

A008343 a(1)=1; thereafter a(n+1) = a(n)-n if a(n) >= n otherwise a(n+1) = a(n)+n.

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

[1, 0, 2, 5, 1, 6, 0, 7, 15, 6, 16, 5, 17, 4, 18, 3, 19, 2, 20, 1, 21, 0, 22, 45, 21, 46, 20, 47, 19, 48, 18, 49, 17, 50, 16, 51, 15, 52, 14, 53, 13, 54, 12, 55, 11, 56, 10, 57, 9, 58, 8, 59, 7, 60, 6, 61, 5, 62, 4, 63, 3]

cp's OEIS Frontend

A008343 a(1)=1; thereafter a(n+1) = a(n)-n if a(n) >= n otherwise a(n+1) = a(n)+n.

Table of values

List of values

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

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

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