Numbers n such that sopf(n) = sopf(n+1) - sopf(n-1), where sopf(x) = sum of the distinct prime factors of x.
A076525
Numbers n such that sopf(n) = sopf(n+1) - sopf(n-1), where sopf(x) = sum of the distinct prime factors of x.
Terms
- a(0) =4a(1) =22a(2) =57a(3) =900a(4) =1551a(5) =1920a(6) =4194a(7) =6279a(8) =10857a(9) =19648a(10) =20384a(11) =32016a(12) =63656a(13) =65703a(14) =83271a(15) =84119a(16) =86241a(17) =105570a(18) =145237a(19) =181844a(20) =271328a(21) =271741a(22) =316710a(23) =322953a(24) =331976a(25) =345185a(26) =379659a(27) =381430a(28) =409915a(29) =424503
External references
- oeis: A076525