Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+16*cos(s*Pi/(2n+1))^4), 0<=k<=n.
A179837
Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+16*cos(s*Pi/(2n+1))^4), 0<=k<=n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =26a(8) =13a(9) =1a(10) =1a(11) =70a(12) =87a(13) =19a(14) =1a(15) =1a(16) =155a(17) =403a(18) =184a(19) =25a(20) =1a(21) =1a(22) =301a(23) =1462a(24) =1216a(25) =317a(26) =31a(27) =1a(28) =1a(29) =532
External references
- oeis: A179837