a(n) = 2i + 1 where i is the least index such that A039508(i) = A039509(n).
A039510
a(n) = 2i + 1 where i is the least index such that A039508(i) = A039509(n).
Terms
- a(0) =1a(1) =5a(2) =13a(3) =55a(4) =65a(5) =175a(6) =233a(7) =295a(8) =355a(9) =499a(10) =1319a(11) =1631a(12) =6005a(13) =6487
External references
- oeis: A039510