The smallest number such that n or more 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.
A369351
The smallest number such that n or more 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) =1517a(7) =1517a(8) =4352a(9) =4352a(10) =4352a(11) =14647a(12) =55488a(13) =55488a(14) =114091a(15) =121673a(16) =167137a(17) =206837a(18) =277928a(19) =277928a(20) =277928a(21) =277928a(22) =277928a(23) =722473a(24) =2165407a(25) =2498227a(26) =2498227a(27) =2498227a(28) =5271391a(29) =5770603
External references
- oeis: A369351