T(n,k)=Number of length n+2 0..k arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.

A253129

T(n,k)=Number of length n+2 0..k arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =4a(1) =7a(2) =12a(3) =10a(4) =53a(5) =16a(6) =13a(7) =152a(8) =90a(9) =40a(10) =16a(11) =345a(12) =281a(13) =393a(14) =64a(15) =19a(16) =676a(17) =673a(18) =2058a(19) =952a(20) =144a(21) =22a(22) =1197a(23) =1356a(24) =7257a(25) =6515a(26) =3323a(27) =256a(28) =25a(29) =1968

External references