A287618 - cp's OEIS frontend

A287618 Triangle read by rows: T(j,k) is the number of distinct edge segments in a j X k rectangular grid.

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	3
8	3
9	4
10	2
11	4
12	4
13	5
14	5
15	3
16	4
17	4
18	5
19	5
20	6
21	3
22	5
23	5
24	6
25	6
26	7
27	7
28	4
29	5
30	5
31	6
32	6
33	7
34	7
35	8
36	4
37	6
38	6
39	7
40	7
41	8
42	8
43	9
44	9
45	5
46	6
47	6
48	7
49	7
50	8
51	8
52	9
53	9
54	10
55	5
56	7
57	7
58	8
59	8
60	9
61	9
62	10
63	10
64	11
65	11
66	6
67	7
68	7
69	8
70	8
71	9
72	9
73	10
74	10
75	11
76	11
77	12
78	6
79	8
80	8
81	9
82	9
83	10
84	10
85	11
86	11
87	12
88	12
89	13
90	13
91	7
92	8
93	8
94	9
95	9
96	10
97	10
98	11
99	11
100	12
101	12
102	13
103	13
104	14
105	7

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

cp's OEIS Frontend

A287618 Triangle read by rows: T(j,k) is the number of distinct edge segments in a j X k rectangular grid.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	3
8	3
9	4
10	2
11	4
12	4
13	5
14	5
15	3
16	4
17	4
18	5
19	5
20	6
21	3
22	5
23	5
24	6
25	6
26	7
27	7
28	4
29	5
30	5
31	6
32	6
33	7
34	7
35	8
36	4
37	6
38	6
39	7
40	7
41	8
42	8
43	9
44	9
45	5
46	6
47	6
48	7
49	7
50	8
51	8
52	9
53	9
54	10
55	5
56	7
57	7
58	8
59	8
60	9
61	9
62	10
63	10
64	11
65	11
66	6
67	7
68	7
69	8
70	8
71	9
72	9
73	10
74	10
75	11
76	11
77	12
78	6
79	8
80	8
81	9
82	9
83	10
84	10
85	11
86	11
87	12
88	12
89	13
90	13
91	7
92	8
93	8
94	9
95	9
96	10
97	10
98	11
99	11
100	12
101	12
102	13
103	13
104	14
105	7

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	3
8	3
9	4
10	2
11	4
12	4
13	5
14	5
15	3
16	4
17	4
18	5
19	5
20	6
21	3
22	5
23	5
24	6
25	6
26	7
27	7
28	4
29	5
30	5
31	6
32	6
33	7
34	7
35	8
36	4
37	6
38	6
39	7
40	7
41	8
42	8
43	9
44	9
45	5
46	6
47	6
48	7
49	7
50	8
51	8
52	9
53	9
54	10
55	5
56	7
57	7
58	8
59	8
60	9
61	9
62	10
63	10
64	11
65	11
66	6
67	7
68	7
69	8
70	8
71	9
72	9
73	10
74	10
75	11
76	11
77	12
78	6
79	8
80	8
81	9
82	9
83	10
84	10
85	11
86	11
87	12
88	12
89	13
90	13
91	7
92	8
93	8
94	9
95	9
96	10
97	10
98	11
99	11
100	12
101	12
102	13
103	13
104	14
105	7

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	3
8	3
9	4
10	2
11	4
12	4
13	5
14	5
15	3
16	4
17	4
18	5
19	5
20	6
21	3
22	5
23	5
24	6
25	6
26	7
27	7
28	4
29	5
30	5
31	6
32	6
33	7
34	7
35	8
36	4
37	6
38	6
39	7
40	7
41	8
42	8
43	9
44	9
45	5
46	6
47	6
48	7
49	7
50	8
51	8
52	9
53	9
54	10
55	5
56	7
57	7
58	8
59	8
60	9
61	9
62	10
63	10
64	11
65	11
66	6
67	7
68	7
69	8
70	8
71	9
72	9
73	10
74	10
75	11
76	11
77	12
78	6
79	8
80	8
81	9
82	9
83	10
84	10
85	11
86	11
87	12
88	12
89	13
90	13
91	7
92	8
93	8
94	9
95	9
96	10
97	10
98	11
99	11
100	12
101	12
102	13
103	13
104	14
105	7