Primes p such that denominator of Sum_{k=1..p-1} 1/k^2 is a square and denominator Sum_{k=1..p-1} 1/k^3 is a cube and denominator Sum_{k=1..p-1} 1/k^4 is a fourth power.
A127062
Primes p such that denominator of Sum_{k=1..p-1} 1/k^2 is a square and denominator Sum_{k=1..p-1} 1/k^3 is a cube and denominator Sum_{k=1..p-1} 1/k^4 is a fourth power.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =17a(4) =29a(5) =31a(6) =97a(7) =439a(8) =443a(9) =449a(10) =457a(11) =461a(12) =463a(13) =1009a(14) =1013a(15) =24391a(16) =24407a(17) =24413a(18) =24419a(19) =24421a(20) =24439a(21) =24443a(22) =24469a(23) =24473a(24) =24481a(25) =117659a(26) =117671a(27) =117673a(28) =117679a(29) =117701
External references
- oeis: A127062