A218757 - cp's OEIS frontend

A218757 Triangle read by rows: T(n,k) is the number of length-n ascent sequences without flat steps, containing k zeros.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	2
12	3
13	0
14	0
15	0
16	5
17	9
18	2
19	0
20	0
21	0
22	16
23	32
24	13
25	0
26	0
27	0
28	0
29	61
30	132
31	72
32	6
33	0
34	0
35	0
36	0
37	271
38	623
39	409
40	69
41	0
42	0
43	0
44	0
45	0
46	1372
47	3314
48	2480
49	605
50	24
51	0
52	0
53	0
54	0
55	0
56	7795
57	19628
58	16222
59	5016
60	432
61	0
62	0
63	0
64	0
65	0
66	0
67	49093
68	128126
69	114594
70	41955
71	5498
72	120
73	0
74	0
75	0
76	0
77	0

[1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 2, 3, 0, 0, 0, 5, 9, 2, 0, 0, 0, 16, 32, 13, 0, 0, 0, 0, 61, 132, 72, 6, 0, 0, 0, 0, 271, 623, 409, 69, 0, 0, 0, 0, 0, 1372, 3314, 2480, 605, 24, 0, 0, 0, 0, 0, 7795, 19628, 16222, 5016, 432, 0, 0, 0, 0, 0, 0, 49093, 128126, 114594, 41955, 5498, 120, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A218757 Triangle read by rows: T(n,k) is the number of length-n ascent sequences without flat steps, containing k zeros.

Table of values

List of values