Numbers m such that Sum_{k=1..m} (-1)^k*k*floor(m/k) = 0.
A072663
Numbers m such that Sum_{k=1..m} (-1)^k*k*floor(m/k) = 0.
Terms
- a(0) =2a(1) =26a(2) =28a(3) =76a(4) =210a(5) =1801a(6) =3508a(7) =16180a(8) =29286a(9) =33988a(10) =1161208a(11) =4010473a(12) =164048770a(13) =18294479654
External references
- oeis: A072663