Rectangular array: A(n,k) = Sum_{j=0..k} (-1)^floor(j/2)*binomial(k-floor((j+1)/2), floor(j/2))*(-n)^(k-j), n >= 1, k >= 0, read by antidiagonals.

A299045

Rectangular array: A(n,k) = Sum_{j=0..k} (-1)^floor(j/2)*binomial(k-floor((j+1)/2), floor(j/2))*(-n)^(k-j), n >= 1, k >= 0, read by antidiagonals.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =-1a(5) =-1a(6) =1a(7) =-2a(8) =1a(9) =1a(10) =1a(11) =-3a(12) =5a(13) =-1a(14) =0a(15) =1a(16) =-4a(17) =11a(18) =-13a(19) =1a(20) =-1a(21) =1a(22) =-5a(23) =19a(24) =-41a(25) =34a(26) =-1a(27) =1a(28) =1a(29) =-6

External references