A102625 - cp's OEIS frontend

A102625 Triangle read by rows: T(n,k) is the sum of the weights of all vertices labeled k at depth n in the Catalan tree (1 <= k <= n+1, n >= 0).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	6
6	15
7	30
8	36
9	24
10	105
11	210
12	270
13	240
14	120
15	945
16	1890
17	2520
18	2520
19	1800
20	720
21	10395
22	20790
23	28350
24	30240
25	25200
26	15120
27	5040
28	135135
29	270270
30	374220
31	415800
32	378000
33	272160
34	141120
35	40320
36	2027025
37	4054050
38	5675670
39	6486480

[1, 1, 2, 3, 6, 6, 15, 30, 36, 24, 105, 210, 270, 240, 120, 945, 1890, 2520, 2520, 1800, 720, 10395, 20790, 28350, 30240, 25200, 15120, 5040, 135135, 270270, 374220, 415800, 378000, 272160, 141120, 40320, 2027025, 4054050, 5675670, 6486480]

cp's OEIS Frontend

A102625 Triangle read by rows: T(n,k) is the sum of the weights of all vertices labeled k at depth n in the Catalan tree (1 <= k <= n+1, n >= 0).

Table of values

List of values