A305556 - cp's OEIS frontend

A305556 Irregular triangle read by rows: T(n,k) is the number of superdiagonal bargraphs with area n and with k columns.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	3
9	1
10	4
11	1
12	1
13	5
14	3
15	1
16	6
17	6
18	1
19	7
20	10
21	1
22	8
23	15
24	1
25	1
26	9
27	21
28	4
29	1
30	10
31	28
32	10
33	1
34	11
35	36
36	20
37	1
38	12
39	45
40	35
41	1
42	13
43	55
44	56
45	1
46	1
47	14
48	66
49	84
50	5
51	1
52	15
53	78
54	120
55	15
56	1
57	16
58	91
59	165
60	35
61	1
62	17
63	105
64	220
65	70
66	1
67	18
68	120
69	286
70	126
71	1
72	19
73	136
74	364
75	210
76	1
77	1
78	20
79	153
80	455

[1, 1, 1, 1, 1, 2, 1, 3, 1, 4, 1, 1, 5, 3, 1, 6, 6, 1, 7, 10, 1, 8, 15, 1, 1, 9, 21, 4, 1, 10, 28, 10, 1, 11, 36, 20, 1, 12, 45, 35, 1, 13, 55, 56, 1, 1, 14, 66, 84, 5, 1, 15, 78, 120, 15, 1, 16, 91, 165, 35, 1, 17, 105, 220, 70, 1, 18, 120, 286, 126, 1, 19, 136, 364, 210, 1, 1, 20, 153, 455]

cp's OEIS Frontend

A305556 Irregular triangle read by rows: T(n,k) is the number of superdiagonal bargraphs with area n and with k columns.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	3
9	1
10	4
11	1
12	1
13	5
14	3
15	1
16	6
17	6
18	1
19	7
20	10
21	1
22	8
23	15
24	1
25	1
26	9
27	21
28	4
29	1
30	10
31	28
32	10
33	1
34	11
35	36
36	20
37	1
38	12
39	45
40	35
41	1
42	13
43	55
44	56
45	1
46	1
47	14
48	66
49	84
50	5
51	1
52	15
53	78
54	120
55	15
56	1
57	16
58	91
59	165
60	35
61	1
62	17
63	105
64	220
65	70
66	1
67	18
68	120
69	286
70	126
71	1
72	19
73	136
74	364
75	210
76	1
77	1
78	20
79	153
80	455

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	3
9	1
10	4
11	1
12	1
13	5
14	3
15	1
16	6
17	6
18	1
19	7
20	10
21	1
22	8
23	15
24	1
25	1
26	9
27	21
28	4
29	1
30	10
31	28
32	10
33	1
34	11
35	36
36	20
37	1
38	12
39	45
40	35
41	1
42	13
43	55
44	56
45	1
46	1
47	14
48	66
49	84
50	5
51	1
52	15
53	78
54	120
55	15
56	1
57	16
58	91
59	165
60	35
61	1
62	17
63	105
64	220
65	70
66	1
67	18
68	120
69	286
70	126
71	1
72	19
73	136
74	364
75	210
76	1
77	1
78	20
79	153
80	455

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	3
9	1
10	4
11	1
12	1
13	5
14	3
15	1
16	6
17	6
18	1
19	7
20	10
21	1
22	8
23	15
24	1
25	1
26	9
27	21
28	4
29	1
30	10
31	28
32	10
33	1
34	11
35	36
36	20
37	1
38	12
39	45
40	35
41	1
42	13
43	55
44	56
45	1
46	1
47	14
48	66
49	84
50	5
51	1
52	15
53	78
54	120
55	15
56	1
57	16
58	91
59	165
60	35
61	1
62	17
63	105
64	220
65	70
66	1
67	18
68	120
69	286
70	126
71	1
72	19
73	136
74	364
75	210
76	1
77	1
78	20
79	153
80	455