A030237 - cp's OEIS frontend

A030237 Catalan's triangle with right border removed (n > 0, 0 <= k < n).

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	9
10	14
11	1
12	5
13	14
14	28
15	42
16	1
17	6
18	20
19	48
20	90
21	132
22	1
23	7
24	27
25	75
26	165
27	297
28	429
29	1
30	8
31	35
32	110
33	275
34	572
35	1001
36	1430
37	1
38	9
39	44
40	154
41	429
42	1001
43	2002
44	3432
45	4862
46	1
47	10
48	54
49	208
50	637
51	1638
52	3640
53	7072
54	11934
55	16796
56	1
57	11
58	65
59	273
60	910
61	2548
62	6188
63	13260
64	25194
65	41990
66	58786

[1, 1, 2, 1, 3, 5, 1, 4, 9, 14, 1, 5, 14, 28, 42, 1, 6, 20, 48, 90, 132, 1, 7, 27, 75, 165, 297, 429, 1, 8, 35, 110, 275, 572, 1001, 1430, 1, 9, 44, 154, 429, 1001, 2002, 3432, 4862, 1, 10, 54, 208, 637, 1638, 3640, 7072, 11934, 16796, 1, 11, 65, 273, 910, 2548, 6188, 13260, 25194, 41990, 58786]

cp's OEIS Frontend

A030237 Catalan's triangle with right border removed (n > 0, 0 <= k < n).

Table of values

List of values