Triangle T(n,k) read by rows, giving even-numbered coefficients of the matching polynomial of the n-ladder graph.
A308244
Triangle T(n,k) read by rows, giving even-numbered coefficients of the matching polynomial of the n-ladder graph.
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =2a(4) =-4a(5) =1a(6) =-3a(7) =11a(8) =-7a(9) =1a(10) =5a(11) =-26a(12) =29a(13) =-10a(14) =1a(15) =-8a(16) =56a(17) =-94a(18) =56a(19) =-13a(20) =1a(21) =13a(22) =-114a(23) =263a(24) =-234a(25) =92a(26) =-16a(27) =1a(28) =-21a(29) =223
External references
- oeis: A308244