a(n) = (p1 + p2)/36 such that p1 >= 5 and p2 = p1 + 2 are twin primes and p1 + p2 is a k-th power with k > 1.

A330978

a(n) = (p1 + p2)/36 such that p1 >= 5 and p2 = p1 + 2 are twin primes and p1 + p2 is a k-th power with k > 1.

Terms

    a(0) =1a(1) =4a(2) =6a(3) =49a(4) =64a(5) =144a(6) =196a(7) =225a(8) =841a(9) =1156a(10) =1936a(11) =2601a(12) =3844a(13) =4624a(14) =5776a(15) =6241a(16) =7776a(17) =8281a(18) =9801a(19) =10000a(20) =11449a(21) =15625a(22) =20164a(23) =21609a(24) =24336a(25) =26244a(26) =26569a(27) =29929a(28) =36100a(29) =40804

External references