A271940 - cp's OEIS frontend

A271940 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k peaks (n >= 2, k >= 1).

n	a(n)
2	1
3	2
4	5
5	13
6	34
7	1
8	89
9	8
10	233
11	42
12	610
13	183
14	1
15	1597
16	717
17	13
18	4181
19	2622
20	102
21	10946
22	9134
23	624
24	1
25	28657
26	30691
27	3275
28	19
29	75025
30	100284
31	15473
32	205
33	196418
34	320466
35	67684
36	1650
37	1
38	514229
39	1005630
40	279106
41	11020
42	26
43	1346269
44	3108324
45	1098402
46	64553
47	366
48	3524578
49	9485551
50	4161750
51	342867
52	3716
53	1

[1, 2, 5, 13, 34, 1, 89, 8, 233, 42, 610, 183, 1, 1597, 717, 13, 4181, 2622, 102, 10946, 9134, 624, 1, 28657, 30691, 3275, 19, 75025, 100284, 15473, 205, 196418, 320466, 67684, 1650, 1, 514229, 1005630, 279106, 11020, 26, 1346269, 3108324, 1098402, 64553, 366, 3524578, 9485551, 4161750, 342867, 3716, 1]

cp's OEIS Frontend

A271940 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k peaks (n >= 2, k >= 1).

Table of values

List of values