T(2n,n+1), where T is the array defined in A026082.
A026093
T(2n,n+1), where T is the array defined in A026082.
Terms
- a(0) =1a(1) =3a(2) =27a(3) =156a(4) =925a(5) =5427a(6) =31812a(7) =186485a(8) =1094211a(9) =6428346a(10) =37817163a(11) =222778629a(12) =1314116799a(13) =7761414055a(14) =45894511305a(15) =271681161390
External references
- oeis: A026093