Numbers k such that either (a) k-1=i^m for some i and m >= 3 and k+1 is a prime, or (b) k-1 is a prime and k+1 = i^m for some i and m >= 3.
A329595
Numbers k such that either (a) k-1=i^m for some i and m >= 3 and k+1 is a prime, or (b) k-1 is a prime and k+1 = i^m for some i and m >= 3.
Terms
- a(0) =1a(1) =2a(2) =28a(3) =80a(4) =82a(5) =126a(6) =242a(7) =728a(8) =2400a(9) =3374a(10) =6562a(11) =6858a(12) =14640a(13) =19682a(14) =24390a(15) =28560a(16) =29790a(17) =50626a(18) =50652a(19) =59050a(20) =91126a(21) =161052a(22) =194480a(23) =194482a(24) =250048a(25) =274626a(26) =300762a(27) =328510a(28) =357912a(29) =371292
External references
- oeis: A329595