A157806 - cp's OEIS frontend

A157806 Absolute value of the difference between numerator and denominator of fractions arranged by Cantor's ordering (1/1, 2/1, 1/2, 1/3, 3/1, 4/1, 3/2, 2/3, 1/4, 1/5, 5/1, 6/1, ...) with equivalent fractions removed.

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	3
6	1
7	1
8	3
9	4
10	4
11	5
12	3
13	1
14	1
15	3
16	5
17	6
18	2
19	2
20	6
21	7
22	5
23	1
24	1
25	5
26	7
27	8
28	4
29	4
30	8
31	9
32	7
33	5
34	3
35	1
36	1
37	3
38	5
39	7
40	9
41	10
42	2
43	2
44	10
45	11
46	9
47	7
48	5
49	3
50	1
51	1
52	3
53	5
54	7
55	9
56	11
57	12
58	8
59	4
60	4
61	8
62	12
63	13
64	11
65	7
66	1
67	1
68	7
69	11
70	13
71	14
72	10
73	6
74	2
75	2
76	6
77	10
78	14
79	15
80	13
81	11

[0, 1, 1, 2, 2, 3, 1, 1, 3, 4, 4, 5, 3, 1, 1, 3, 5, 6, 2, 2, 6, 7, 5, 1, 1, 5, 7, 8, 4, 4, 8, 9, 7, 5, 3, 1, 1, 3, 5, 7, 9, 10, 2, 2, 10, 11, 9, 7, 5, 3, 1, 1, 3, 5, 7, 9, 11, 12, 8, 4, 4, 8, 12, 13, 11, 7, 1, 1, 7, 11, 13, 14, 10, 6, 2, 2, 6, 10, 14, 15, 13, 11]

cp's OEIS Frontend

A157806 Absolute value of the difference between numerator and denominator of fractions arranged by Cantor's ordering (1/1, 2/1, 1/2, 1/3, 3/1, 4/1, 3/2, 2/3, 1/4, 1/5, 5/1, 6/1, ...) with equivalent fractions removed.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	3
6	1
7	1
8	3
9	4
10	4
11	5
12	3
13	1
14	1
15	3
16	5
17	6
18	2
19	2
20	6
21	7
22	5
23	1
24	1
25	5
26	7
27	8
28	4
29	4
30	8
31	9
32	7
33	5
34	3
35	1
36	1
37	3
38	5
39	7
40	9
41	10
42	2
43	2
44	10
45	11
46	9
47	7
48	5
49	3
50	1
51	1
52	3
53	5
54	7
55	9
56	11
57	12
58	8
59	4
60	4
61	8
62	12
63	13
64	11
65	7
66	1
67	1
68	7
69	11
70	13
71	14
72	10
73	6
74	2
75	2
76	6
77	10
78	14
79	15
80	13
81	11

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	3
6	1
7	1
8	3
9	4
10	4
11	5
12	3
13	1
14	1
15	3
16	5
17	6
18	2
19	2
20	6
21	7
22	5
23	1
24	1
25	5
26	7
27	8
28	4
29	4
30	8
31	9
32	7
33	5
34	3
35	1
36	1
37	3
38	5
39	7
40	9
41	10
42	2
43	2
44	10
45	11
46	9
47	7
48	5
49	3
50	1
51	1
52	3
53	5
54	7
55	9
56	11
57	12
58	8
59	4
60	4
61	8
62	12
63	13
64	11
65	7
66	1
67	1
68	7
69	11
70	13
71	14
72	10
73	6
74	2
75	2
76	6
77	10
78	14
79	15
80	13
81	11

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	3
6	1
7	1
8	3
9	4
10	4
11	5
12	3
13	1
14	1
15	3
16	5
17	6
18	2
19	2
20	6
21	7
22	5
23	1
24	1
25	5
26	7
27	8
28	4
29	4
30	8
31	9
32	7
33	5
34	3
35	1
36	1
37	3
38	5
39	7
40	9
41	10
42	2
43	2
44	10
45	11
46	9
47	7
48	5
49	3
50	1
51	1
52	3
53	5
54	7
55	9
56	11
57	12
58	8
59	4
60	4
61	8
62	12
63	13
64	11
65	7
66	1
67	1
68	7
69	11
70	13
71	14
72	10
73	6
74	2
75	2
76	6
77	10
78	14
79	15
80	13
81	11