Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares.
A227478
Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares.
Terms
- a(0) =1146a(1) =2874a(2) =9870a(3) =33220a(4) =34353a(5) =43140a(6) =50694a(7) =52290a(8) =66440a(9) =86280a(10) =94350a(11) =100804a(12) =101097a(13) =103059a(14) =106140a(15) =121540a(16) =125070a(17) =127897a(18) =132880a(19) =139908a(20) =156870a(21) =172560a(22) =183475a(23) =191140a(24) =193410a(25) =201608a(26) =208692a(27) =212280a(28) =243080a(29) =248378
External references
- oeis: A227478