A376319 - cp's OEIS frontend

A376319 A Catalan-like sequence formed by summing the truncation of the terms of the fourth convolution of the Catalan Triangle where the number of row terms are truncated to ceiling((n+4)*log(3)/log(2)) - (n+4).

n	a(n)
1	1
2	4
3	14
4	34
5	103
6	228
7	665
8	2096
9	4787
10	14239
11	31330
12	91728
13	199328
14	580128
15	1834665
16	4223092
17	12667903
18	28207395
19	83435822
20	267154051
21	623837740
22	1891453021
23	4265101202
24	12735718304
25	28359351604
26	84126071303
27	270338873771
28	634653510356
29	1933488496208

[1, 4, 14, 34, 103, 228, 665, 2096, 4787, 14239, 31330, 91728, 199328, 580128, 1834665, 4223092, 12667903, 28207395, 83435822, 267154051, 623837740, 1891453021, 4265101202, 12735718304, 28359351604, 84126071303, 270338873771, 634653510356, 1933488496208]

cp's OEIS Frontend

A376319 A Catalan-like sequence formed by summing the truncation of the terms of the fourth convolution of the Catalan Triangle where the number of row terms are truncated to ceiling((n+4)*log(3)/log(2)) - (n+4).

Table of values

List of values