Numbers n with the property that it is possible to write the base 2 expansion of n as concat(a_2,b_2), with a_2>0 and b_2>0 such that, converting a_2 and b_2 to base 10 as a and b, we have antisigma(a) + antisigma(b) = n.
A259670
Numbers n with the property that it is possible to write the base 2 expansion of n as concat(a_2,b_2), with a_2>0 and b_2>0 such that, converting a_2 and b_2 to base 10 as a and b, we have antisigma(a) + antisigma(b) = n.
Terms
- a(0) =50a(1) =77a(2) =179a(3) =346a(4) =347a(5) =550a(6) =1758a(7) =1909a(8) =9205a(9) =27884a(10) =30660a(11) =37354a(12) =52019a(13) =88052a(14) =107974a(15) =131590a(16) =164413a(17) =232447a(18) =295682a(19) =326133a(20) =328491a(21) =1494561a(22) =1541005a(23) =1541851
External references
- oeis: A259670