Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2) + sopf(n-3), where sopf(x) = sum of the distinct prime factors of x.
A075784
Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2) + sopf(n-3), where sopf(x) = sum of the distinct prime factors of x.
Terms
- a(0) =23156a(1) =59785a(2) =72521a(3) =98426a(4) =362231a(5) =480223a(6) =506123a(7) =1049790a(8) =1077252a(9) =1133953a(10) =1202068a(11) =1277411a(12) =1327229a(13) =1627040a(14) =2200058a(15) =2317712a(16) =2368026a(17) =3610497a(18) =4174012a(19) =5668196a(20) =6302128a(21) =6324778a(22) =6946075a(23) =7179599a(24) =7786163a(25) =8053816
External references
- oeis: A075784