A335092 - cp's OEIS frontend

A335092 a(n) = ((2n+1)!!)^4 (Sum_{k=1..n} 1/(2*k+1)^4).

n	a(n)
0	0
1	1
2	706
3	1745731
4	11575291716
5	170271339664581
6	4874795836698898566
7	247120020454614424554375
8	20656593715240068513643845000
9	2693397991748017956223512587135625
10	523998492940635622166679925147692626250

[0, 1, 706, 1745731, 11575291716, 170271339664581, 4874795836698898566, 247120020454614424554375, 20656593715240068513643845000, 2693397991748017956223512587135625, 523998492940635622166679925147692626250]

cp's OEIS Frontend

A335092 a(n) = ((2n+1)!!)^4 (Sum_{k=1..n} 1/(2*k+1)^4).

Table of values

List of values

cp's OEIS Frontend

A335092 a(n) = ((2*n+1)!!)^4 * (Sum_{k=1..n} 1/(2*k+1)^4).

Table of values

List of values

A335092 a(n) = ((2n+1)!!)^4 (Sum_{k=1..n} 1/(2*k+1)^4).