A242351 - cp's OEIS frontend

A242351 Number T(n,k) of isoscent sequences of length n with exactly k ascents; triangle T(n,k), n>=0, 0<=k<=n+3-ceiling(2*sqrt(n+2)), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	4
6	1
7	11
8	3
9	1
10	26
11	25
12	1
13	57
14	128
15	17
16	1
17	120
18	525
19	229
20	2
21	1
22	247
23	1901
24	1819
25	172
26	1
27	502
28	6371
29	11172
30	3048
31	53
32	1
33	1013
34	20291
35	58847
36	33065
37	2751
38	7
39	1
40	2036
41	62407
42	280158
43	275641
44	56905
45	1422
46	1
47	4083
48	187272
49	1242859
50	1945529
51	771451
52	61966
53	436

[1, 1, 1, 1, 1, 4, 1, 11, 3, 1, 26, 25, 1, 57, 128, 17, 1, 120, 525, 229, 2, 1, 247, 1901, 1819, 172, 1, 502, 6371, 11172, 3048, 53, 1, 1013, 20291, 58847, 33065, 2751, 7, 1, 2036, 62407, 280158, 275641, 56905, 1422, 1, 4083, 187272, 1242859, 1945529, 771451, 61966, 436]

cp's OEIS Frontend

A242351 Number T(n,k) of isoscent sequences of length n with exactly k ascents; triangle T(n,k), n>=0, 0<=k<=n+3-ceiling(2*sqrt(n+2)), read by rows.

Table of values

List of values