A072020 - cp's OEIS frontend

A072020 Sum of an infinite series: a(n) = Sum_{k = 0..infinity} ((1/27) * (3^n)^3 * Gamma(n+1/3k+1/3) Gamma(n+1/3k+2/3) Gamma(n+1/3k+1)) / (Gamma(4/3+1/3k) * Gamma(5/3+1/3k) Gamma(2+1/3k) exp(1) * k!).

n	a(n)
1	1
2	229
3	207775
4	472630861
5	2148321709561
6	17028146983530961
7	214877019857456672479
8	4044349155369603186936985
9	108105412214943249140163409201
10	3949854849387058592656207156530781
11	191308664212963089686669131219301608831

[1, 229, 207775, 472630861, 2148321709561, 17028146983530961, 214877019857456672479, 4044349155369603186936985, 108105412214943249140163409201, 3949854849387058592656207156530781, 191308664212963089686669131219301608831]

cp's OEIS Frontend

A072020 Sum of an infinite series: a(n) = Sum_{k = 0..infinity} ((1/27) * (3^n)^3 * Gamma(n+1/3k+1/3) Gamma(n+1/3k+2/3) Gamma(n+1/3k+1)) / (Gamma(4/3+1/3k) * Gamma(5/3+1/3k) Gamma(2+1/3k) exp(1) * k!).

Table of values

List of values

cp's OEIS Frontend

A072020 Sum of an infinite series: a(n) = Sum_{k = 0..infinity} ((1/27) * (3^n)^3 * Gamma(n+1/3*k+1/3) * Gamma(n+1/3*k+2/3) * Gamma(n+1/3*k+1)) / (Gamma(4/3+1/3*k) * Gamma(5/3+1/3*k) * Gamma(2+1/3*k) * exp(1) * k!).

Table of values

List of values

A072020 Sum of an infinite series: a(n) = Sum_{k = 0..infinity} ((1/27) * (3^n)^3 * Gamma(n+1/3k+1/3) Gamma(n+1/3k+2/3) Gamma(n+1/3k+1)) / (Gamma(4/3+1/3k) * Gamma(5/3+1/3k) Gamma(2+1/3k) exp(1) * k!).