Sequence read from antidiagonals of rectangular array with entry in row n and column q given by T(n,q) = 2^(2*n)*(Sum_{j=1..n+1} (cos(j*Pi/(2*q+1)))^(2*n)), n >= 0, q >= 1.

A186740

Sequence read from antidiagonals of rectangular array with entry in row n and column q given by T(n,q) = 2^(2*n)*(Sum_{j=1..n+1} (cos(j*Pi/(2*q+1)))^(2*n)), n >= 0, q >= 1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =1a(7) =7a(8) =5a(9) =4a(10) =1a(11) =18a(12) =13a(13) =7a(14) =5a(15) =1a(16) =47a(17) =38a(18) =19a(19) =9a(20) =6a(21) =1a(22) =123a(23) =117a(24) =58a(25) =25a(26) =11a(27) =7a(28) =1a(29) =322

External references