Triangular sequence from coefficients of a switched even -odd polynomial recursion: odd:p(x,n)=2*x*p(x, n - 1) - p(x, n - 2); even:p(x,n)=(1 - 2*x)*p(x, n - 1) - p(x, n - 2);.
A137408
Triangular sequence from coefficients of a switched even -odd polynomial recursion: odd:p(x,n)=2*x*p(x, n - 1) - p(x, n - 2); even:p(x,n)=(1 - 2*x)*p(x, n - 1) - p(x, n - 2);.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =-1a(4) =2a(5) =-4a(6) =0a(7) =-4a(8) =4a(9) =-8a(10) =1a(11) =-6a(12) =16a(13) =-16a(14) =16a(15) =0a(16) =6a(17) =-16a(18) =40a(19) =-32a(20) =32a(21) =-1a(22) =12a(23) =-44a(24) =88a(25) =-128a(26) =96a(27) =-64a(28) =0a(29) =-8
External references
- oeis: A137408