A241755 - cp's OEIS frontend

A241755 A finite sum of products of binomial coefficients: Sum_(m=0..n) binomial(-1/4, m)^2*binomial(-1/4, n-m)^2 (C. C. Grosjean's problem, numerators).

n	a(n)
0	1
1	1
2	27
3	125
4	42875
5	250047
6	12326391
7	78953589
8	266468362875
9	1795828623875
10	98540708249269
11	685638992559339
12	308969245276647319
13	2197380271937921875
14	126096314555551359375
15	911218671317138401125
16	27146115437208870107914875

[1, 1, 27, 125, 42875, 250047, 12326391, 78953589, 266468362875, 1795828623875, 98540708249269, 685638992559339, 308969245276647319, 2197380271937921875, 126096314555551359375, 911218671317138401125, 27146115437208870107914875]

cp's OEIS Frontend

A241755 A finite sum of products of binomial coefficients: Sum_(m=0..n) binomial(-1/4, m)^2*binomial(-1/4, n-m)^2 (C. C. Grosjean's problem, numerators).

Table of values

List of values