The smallest number such that exactly n numbers k exist such that a(n) - k = sopfr(a(n)) + sopfr(k), where sopfr(m) is the sum of the primes dividing m, with repetition.

A370091

The smallest number such that exactly n numbers k exist such that a(n) - k = sopfr(a(n)) + sopfr(k), where sopfr(m) is the sum of the primes dividing m, with repetition.

Terms

    a(0) =6a(1) =35a(2) =77a(3) =169a(4) =287a(5) =1147a(6) =2623a(7) =1517a(8) =7739a(9) =17792a(10) =4352a(11) =14647a(12) =71107a(13) =55488a(14) =114091a(15) =121673a(16) =167137a(17) =206837a(18) =333797a(19) =762079a(20) =554484a(21) =909157a(22) =277928a(23) =722473a(24) =2165407a(25) =3249569a(26) =4328483a(27) =2498227a(28) =5271391a(29) =5770603

External references