A376087 - cp's OEIS frontend

A376087 a(0) = 1; a(n) = Sum_{k=0..n-1} (4k+1) a(k) * a(n-k-1).

n	a(n)
0	1
1	1
2	6
3	65
4	994
5	19386
6	456940
7	12594465
8	396969930
9	14078044862
10	554782989908
11	24053551260186
12	1138039204281236
13	58353983394380500
14	3223791843357228120
15	190914111715994215905
16	12065701995815379444954
17	810602692757305194731094
18	57688894099612173692496580

[1, 1, 6, 65, 994, 19386, 456940, 12594465, 396969930, 14078044862, 554782989908, 24053551260186, 1138039204281236, 58353983394380500, 3223791843357228120, 190914111715994215905, 12065701995815379444954, 810602692757305194731094, 57688894099612173692496580]

cp's OEIS Frontend

A376087 a(0) = 1; a(n) = Sum_{k=0..n-1} (4k+1) a(k) * a(n-k-1).

Table of values

List of values

cp's OEIS Frontend

A376087 a(0) = 1; a(n) = Sum_{k=0..n-1} (4*k+1) * a(k) * a(n-k-1).

Table of values

List of values

A376087 a(0) = 1; a(n) = Sum_{k=0..n-1} (4k+1) a(k) * a(n-k-1).