a(n) = (p1 + p2)/216 such that p1 >= 5 and p2 = p1 + 2 are twin primes and p1 + p2 is a k-th power with k >= 3.
A330980
a(n) = (p1 + p2)/216 such that p1 >= 5 and p2 = p1 + 2 are twin primes and p1 + p2 is a k-th power with k >= 3.
Terms
- a(0) =1a(1) =1296a(2) =24389a(3) =274625a(4) =531441a(5) =970299a(6) =2343750a(7) =2515456a(8) =4492125a(9) =5268024a(10) =5451776a(11) =6967871a(12) =8000000a(13) =18821096a(14) =25672375a(15) =27270901a(16) =32461759a(17) =37748736a(18) =41421736a(19) =43243551a(20) =50653000a(21) =64000000a(22) =69426531a(23) =80062991a(24) =81746504a(25) =82881856a(26) =94818816a(27) =100663296
External references
- oeis: A330980