Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2), where sopf(x) = sum of the distinct prime factors of x.
A075565
Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2), where sopf(x) = sum of the distinct prime factors of x.
Terms
- a(0) =5a(1) =23a(2) =58a(3) =901a(4) =1552a(5) =1921a(6) =4195a(7) =6280a(8) =10858a(9) =19649a(10) =20385a(11) =32017a(12) =63657a(13) =65704a(14) =83272a(15) =84120a(16) =86242a(17) =105571a(18) =145238a(19) =181845a(20) =271329a(21) =271742a(22) =316711a(23) =322954a(24) =331977a(25) =345186a(26) =379660a(27) =381431a(28) =409916a(29) =424504
External references
- oeis: A075565