A331252 - cp's OEIS frontend

A331252 Triangles with integer sides i <= j <= k sorted by area, and, in case of ties, lexicographically by side lengths (smallest first). The sequence gives middle side j. The other sides are in A331251 and A331253.

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

[1, 2, 3, 2, 4, 2, 5, 3, 3, 6, 7, 4, 4, 3, 8, 3, 3, 9, 5, 5, 10, 4, 11, 6, 4, 6, 12, 4, 7, 13, 5, 4, 7, 4, 14, 5, 8, 5, 15, 6, 4, 8, 4, 16, 9, 5, 17, 6, 7, 9, 6, 18, 10, 5, 19, 6, 5, 5, 11, 8, 5, 10, 20, 7, 7, 21, 12, 5, 7, 11, 22, 9, 6, 6, 23, 6, 13, 8, 8, 12]

cp's OEIS Frontend

A331252 Triangles with integer sides i <= j <= k sorted by area, and, in case of ties, lexicographically by side lengths (smallest first). The sequence gives middle side j. The other sides are in A331251 and A331253.

Table of values

List of values

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

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

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