Numbers k such that k and k+1 have the same number and sum of divisors but a different number of distinct prime factors.
A350800
Numbers k such that k and k+1 have the same number and sum of divisors but a different number of distinct prime factors.
Terms
- a(0) =64665a(1) =109214a(2) =2305557a(3) =4701537a(4) =6444873a(5) =10118654a(6) =32225337a(7) =33876117a(8) =70282053a(9) =105967784a(10) =149205914a(11) =187434621a(12) =268890218a(13) =279113505a(14) =334925577a(15) =357340922a(16) =391392134a(17) =424942604a(18) =575712494a(19) =610752933a(20) =612863198a(21) =641703842a(22) =701792234a(23) =743194142a(24) =800679495
External references
- oeis: A350800