A308218 - cp's OEIS frontend

A308218 Take the integer-sided obtuse triangles with perimeter n and sides a, b and c such that a <= b <= c. a(n) is the sum of all the b's.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	2
8	0
9	3
10	0
11	7
12	0
13	9
14	9
15	15
16	11
17	18
18	18
19	32
20	21
21	51
22	30
23	64
24	41
25	79
26	62
27	95
28	77
29	113
30	93
31	151
32	124
33	186
34	144
35	221
36	177
37	249
38	225
39	289
40	253
41	333
42	310
43	411
44	343
45	479
46	390
47	534
48	456
49	593
50	527
51	674
52	605
53	756
54	667
55	859
56	733
57	954
58	826
59	1049
60	936

[0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 7, 0, 9, 9, 15, 11, 18, 18, 32, 21, 51, 30, 64, 41, 79, 62, 95, 77, 113, 93, 151, 124, 186, 144, 221, 177, 249, 225, 289, 253, 333, 310, 411, 343, 479, 390, 534, 456, 593, 527, 674, 605, 756, 667, 859, 733, 954, 826, 1049, 936]

cp's OEIS Frontend

A308218 Take the integer-sided obtuse triangles with perimeter n and sides a, b and c such that a <= b <= c. a(n) is the sum of all the b's.

Table of values

List of values