A273901 - cp's OEIS frontend

A273901 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k odd-length columns (n>=2, k>=0).

n	a(n)
2	0
3	1
4	1
5	0
6	1
7	1
8	3
9	0
10	1
11	2
12	4
13	6
14	0
15	1
16	4
17	11
18	9
19	10
20	0
21	1
22	8
23	24
24	33
25	16
26	15
27	0
28	1
29	16
30	56
31	80
32	76
33	25
34	21
35	0
36	1
37	33
38	128
39	218
40	200
41	150
42	36
43	28
44	0
45	1
46	69
47	297
48	558
49	630
50	420
51	267
52	49
53	36
54	0
55	1
56	146
57	688
58	1445
59	1776
60	1515
61	784
62	441
63	64
64	45
65	0
66	1
67	312
68	1601
69	3684
70	5091
71	4635
72	3213
73	1344
74	688
75	81
76	55
77	0
78	1

[0, 1, 1, 0, 1, 1, 3, 0, 1, 2, 4, 6, 0, 1, 4, 11, 9, 10, 0, 1, 8, 24, 33, 16, 15, 0, 1, 16, 56, 80, 76, 25, 21, 0, 1, 33, 128, 218, 200, 150, 36, 28, 0, 1, 69, 297, 558, 630, 420, 267, 49, 36, 0, 1, 146, 688, 1445, 1776, 1515, 784, 441, 64, 45, 0, 1, 312, 1601, 3684, 5091, 4635, 3213, 1344, 688, 81, 55, 0, 1]

cp's OEIS Frontend

A273901 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k odd-length columns (n>=2, k>=0).

Table of values

List of values