Diagonal of the rational function 1/(1 - x - x y - x z - y z + x y z).
A274674
Diagonal of the rational function 1/(1 - x - x y - x z - y z + x y z).
Terms
- a(0) =1a(1) =1a(2) =7a(3) =37a(4) =211a(5) =1351a(6) =8611a(7) =57037a(8) =383587a(9) =2615851a(10) =18052057a(11) =125693107a(12) =882033439a(13) =6229779739a(14) =44246291467a(15) =315774707437
External references
- oeis: A274674