a(n) = T(2n,n-1), where T is the array defined in A026082.
A026092
a(n) = T(2n,n-1), where T is the array defined in A026082.
Terms
- a(0) =1a(1) =1a(2) =9a(3) =45a(4) =248a(5) =1377a(6) =7756a(7) =44096a(8) =252570a(9) =1455166a(10) =8424011a(11) =48960606a(12) =285512823a(13) =1669721225a(14) =9788890230a(15) =57511916805a(16) =338536358979
External references
- oeis: A026092