Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial v_n(x), used to approximate x->sin(Pi*x)/Pi.
A144860
Denominators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial v_n(x), used to approximate x->sin(Pi*x)/Pi.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =7a(6) =1a(7) =87a(8) =29a(9) =87a(10) =1a(11) =2047a(12) =2047a(13) =2047a(14) =2047a(15) =1a(16) =15731a(17) =78655a(18) =15731a(19) =15731a(20) =78655a(21) =1a(22) =4439935a(23) =887987a(24) =4439935a(25) =887987a(26) =4439935a(27) =4439935a(28) =1a(29) =49239241
External references
- oeis: A144860