A097291 - cp's OEIS frontend

A097291 Contains exactly once every pair (i,j) of positive integers.

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

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

cp's OEIS Frontend

A097291 Contains exactly once every pair (i,j) of positive integers.

Table of values

List of values

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

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

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