Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.
A163619
Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.
Terms
- a(0) =2a(1) =8a(2) =9a(3) =20a(4) =32a(5) =98a(6) =125a(7) =128a(8) =169a(9) =464a(10) =512a(11) =729a(12) =961a(13) =1280a(14) =2048a(15) =2108a(16) =5252a(17) =8000a(18) =8192a(19) =9728a(20) =15872a(21) =16807a(22) =18176a(23) =22385a(24) =32768a(25) =36992a(26) =50000a(27) =53792a(28) =59049a(29) =78821
External references
- oeis: A163619