A269419 - cp's OEIS frontend

A269419 a(n) is denominator of y(n), where y(n+1) = (25n^2-1)/48 y(n) + (1/2)Sum_{k=1..n}y(k)y(n+1-k), with y(0) = -1.

n	a(n)
0	1
1	48
2	4608
3	55296
4	42467328
5	84934656
6	21743271936
7	36691771392
8	400771988324352
9	1352605460594688
10	16620815899787526144
11	779100745302540288
12	153177439332441840943104
13	2393397489569403764736
14	235280546814630667688607744
15	57441539749665690353664

[1, 48, 4608, 55296, 42467328, 84934656, 21743271936, 36691771392, 400771988324352, 1352605460594688, 16620815899787526144, 779100745302540288, 153177439332441840943104, 2393397489569403764736, 235280546814630667688607744, 57441539749665690353664]

cp's OEIS Frontend

A269419 a(n) is denominator of y(n), where y(n+1) = (25n^2-1)/48 y(n) + (1/2)Sum_{k=1..n}y(k)y(n+1-k), with y(0) = -1.

Table of values

List of values

cp's OEIS Frontend

A269419 a(n) is denominator of y(n), where y(n+1) = (25*n^2-1)/48 * y(n) + (1/2)*Sum_{k=1..n}y(k)*y(n+1-k), with y(0) = -1.

Table of values

List of values

A269419 a(n) is denominator of y(n), where y(n+1) = (25n^2-1)/48 y(n) + (1/2)Sum_{k=1..n}y(k)y(n+1-k), with y(0) = -1.