A097289 - cp's OEIS frontend

A097289 Contains exactly once every pair (i,j) satisfying 0 < i <= j.

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

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

cp's OEIS Frontend

A097289 Contains exactly once every pair (i,j) satisfying 0 < i <= j.

Table of values

List of values

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

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

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