A028364 - cp's OEIS frontend

A028364 Triangle T(n,m) = Sum_{k=0..m} Catalan(n-k)*Catalan(k).

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	5
6	5
7	7
8	9
9	14
10	14
11	19
12	23
13	28
14	42
15	42
16	56
17	66
18	76
19	90
20	132
21	132
22	174
23	202
24	227
25	255
26	297
27	429
28	429
29	561
30	645
31	715
32	785
33	869
34	1001
35	1430
36	1430
37	1859
38	2123
39	2333
40	2529
41	2739
42	3003
43	3432
44	4862
45	4862
46	6292
47	7150
48	7810
49	8398
50	8986
51	9646
52	10504
53	11934
54	16796

[1, 1, 2, 2, 3, 5, 5, 7, 9, 14, 14, 19, 23, 28, 42, 42, 56, 66, 76, 90, 132, 132, 174, 202, 227, 255, 297, 429, 429, 561, 645, 715, 785, 869, 1001, 1430, 1430, 1859, 2123, 2333, 2529, 2739, 3003, 3432, 4862, 4862, 6292, 7150, 7810, 8398, 8986, 9646, 10504, 11934, 16796]

cp's OEIS Frontend

A028364 Triangle T(n,m) = Sum_{k=0..m} Catalan(n-k)*Catalan(k).

Table of values

List of values