A204260 - cp's OEIS frontend

A204260 Symmetric matrix given by f(i,j)=ceiling(i*j/(i+j)) .

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

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 3, 3, 2, 2, 1, 1, 2, 3, 3, 3, 3, 3, 2, 1, 1, 2, 3, 3, 3, 3, 3, 3, 2, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 2, 3, 3, 4, 4, 4, 4, 3, 3, 2, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 2, 3, 3, 4, 4, 4, 4]

cp's OEIS Frontend

A204260 Symmetric matrix given by f(i,j)=ceiling(i*j/(i+j)) .

Table of values

List of values

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

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

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