A124278 - cp's OEIS frontend

A124278 Triangle of the number of nondegenerate k-gons having perimeter n and whose sides are nondecreasing, for k=3..n.

n	a(n)
3	1
4	0
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	1
19	3
20	2
21	2
22	1
23	1
24	3
25	4
26	4
27	3
28	2
29	1
30	1
31	2
32	5
33	5
34	4
35	3
36	2
37	1
38	1
39	4
40	7
41	8
42	6
43	5
44	3
45	2
46	1
47	1
48	3
49	8
50	9
51	9
52	6
53	5
54	3
55	2
56	1
57	1
58	5
59	11
60	14
61	12
62	10
63	7
64	5
65	3
66	2
67	1
68	1
69	4
70	12
71	16
72	16
73	13
74	10
75	7
76	5
77	3
78	2
79	1
80	1
81	7
82	16
83	23
84	22
85	19
86	14
87	11
88	7
89	5
90	3
91	2
92	1
93	1
94	5
95	18
96	25
97	28
98	24
99	20
100	14
101	11
102	7
103	5
104	3
105	2
106	1
107	1

[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 3, 2, 2, 1, 1, 3, 4, 4, 3, 2, 1, 1, 2, 5, 5, 4, 3, 2, 1, 1, 4, 7, 8, 6, 5, 3, 2, 1, 1, 3, 8, 9, 9, 6, 5, 3, 2, 1, 1, 5, 11, 14, 12, 10, 7, 5, 3, 2, 1, 1, 4, 12, 16, 16, 13, 10, 7, 5, 3, 2, 1, 1, 7, 16, 23, 22, 19, 14, 11, 7, 5, 3, 2, 1, 1, 5, 18, 25, 28, 24, 20, 14, 11, 7, 5, 3, 2, 1, 1]

cp's OEIS Frontend

A124278 Triangle of the number of nondegenerate k-gons having perimeter n and whose sides are nondecreasing, for k=3..n.

Table of values

List of values

n	a(n)
3	1
4	0
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	1
19	3
20	2
21	2
22	1
23	1
24	3
25	4
26	4
27	3
28	2
29	1
30	1
31	2
32	5
33	5
34	4
35	3
36	2
37	1
38	1
39	4
40	7
41	8
42	6
43	5
44	3
45	2
46	1
47	1
48	3
49	8
50	9
51	9
52	6
53	5
54	3
55	2
56	1
57	1
58	5
59	11
60	14
61	12
62	10
63	7
64	5
65	3
66	2
67	1
68	1
69	4
70	12
71	16
72	16
73	13
74	10
75	7
76	5
77	3
78	2
79	1
80	1
81	7
82	16
83	23
84	22
85	19
86	14
87	11
88	7
89	5
90	3
91	2
92	1
93	1
94	5
95	18
96	25
97	28
98	24
99	20
100	14
101	11
102	7
103	5
104	3
105	2
106	1
107	1

n	a(n)
3	1
4	0
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	1
19	3
20	2
21	2
22	1
23	1
24	3
25	4
26	4
27	3
28	2
29	1
30	1
31	2
32	5
33	5
34	4
35	3
36	2
37	1
38	1
39	4
40	7
41	8
42	6
43	5
44	3
45	2
46	1
47	1
48	3
49	8
50	9
51	9
52	6
53	5
54	3
55	2
56	1
57	1
58	5
59	11
60	14
61	12
62	10
63	7
64	5
65	3
66	2
67	1
68	1
69	4
70	12
71	16
72	16
73	13
74	10
75	7
76	5
77	3
78	2
79	1
80	1
81	7
82	16
83	23
84	22
85	19
86	14
87	11
88	7
89	5
90	3
91	2
92	1
93	1
94	5
95	18
96	25
97	28
98	24
99	20
100	14
101	11
102	7
103	5
104	3
105	2
106	1
107	1

n	a(n)
3	1
4	0
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	2
15	2
16	1
17	1
18	1
19	3
20	2
21	2
22	1
23	1
24	3
25	4
26	4
27	3
28	2
29	1
30	1
31	2
32	5
33	5
34	4
35	3
36	2
37	1
38	1
39	4
40	7
41	8
42	6
43	5
44	3
45	2
46	1
47	1
48	3
49	8
50	9
51	9
52	6
53	5
54	3
55	2
56	1
57	1
58	5
59	11
60	14
61	12
62	10
63	7
64	5
65	3
66	2
67	1
68	1
69	4
70	12
71	16
72	16
73	13
74	10
75	7
76	5
77	3
78	2
79	1
80	1
81	7
82	16
83	23
84	22
85	19
86	14
87	11
88	7
89	5
90	3
91	2
92	1
93	1
94	5
95	18
96	25
97	28
98	24
99	20
100	14
101	11
102	7
103	5
104	3
105	2
106	1
107	1