Triangle M(k,n) read by rows: coefficients of Meixner polynomials.

Terms

a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-5a(5) =1a(6) =-14a(7) =9a(8) =1a(9) =-30a(10) =89a(11) =1a(12) =-55a(13) =439a(14) =-225a(15) =1a(16) =-91a(17) =1519a(18) =-3429a(19) =1a(20) =-140a(21) =4214a(22) =-24940a(23) =11025a(24) =1a(25) =-204a(26) =10038a(27) =-122156a(28) =230481a(29) =1