Triangular product sequence based 2^n times the Fibonacci version and 4 replaced with m: t(m,n)=2^n*Product[(1 + m*Cos[k*Pi/n]^2), {k, 1, Floor[(n - 1)/2]}].
A152036
Triangular product sequence based 2^n times the Fibonacci version and 4 replaced with m: t(m,n)=2^n*Product[(1 + m*Cos[k*Pi/n]^2), {k, 1, Floor[(n - 1)/2]}].
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =4a(6) =1a(7) =2a(8) =4a(9) =14a(10) =1a(11) =2a(12) =4a(13) =16a(14) =48a(15) =1a(16) =2a(17) =4a(18) =18a(19) =56a(20) =202a(21) =1a(22) =2a(23) =4a(24) =20a(25) =64a(26) =248a(27) =880a(28) =1a(29) =2
External references
- oeis: A152036