a(n) is the least positive integer that can be expressed as the sum of a prime number and a perfect power in exactly n ways.

A365294

a(n) is the least positive integer that can be expressed as the sum of a prime number and a perfect power in exactly n ways.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =11a(4) =27a(5) =38a(6) =105a(7) =128a(8) =248a(9) =227a(10) =398a(11) =572a(12) =692a(13) =668a(14) =902a(15) =908a(16) =1172a(17) =1448a(18) =2288a(19) =1748a(20) =1592a(21) =2483a(22) =3167a(23) =3932a(24) =3902a(25) =3737a(26) =4457a(27) =3632a(28) =5843a(29) =6443

External references