a(1) = 6; for n > 1, a(n) = the least squarefree composite number whose sum of prime factors is prime and whose greatest prime factor is the sum of prime factors of a(n-1).
A262081
a(1) = 6; for n > 1, a(n) = the least squarefree composite number whose sum of prime factors is prime and whose greatest prime factor is the sum of prime factors of a(n-1).
Terms
- a(0) =6a(1) =10a(2) =210a(3) =34a(4) =399a(5) =58a(6) =651a(7) =82a(8) =903a(9) =795a(10) =1281a(11) =142a(12) =1533a(13) =2739a(14) =2037a(15) =214a(16) =6213a(17) =1965a(18) =2919a(19) =298a(20) =5285a(21) =3423a(22) =2595a(23) =3801a(24) =382a(25) =12545a(26) =7385a(27) =4683a(28) =3495a(29) =5061
External references
- oeis: A262081