Even-indexed Chebyshev U-polynomials evaluated at sqrt(10)/2.
A057080
Even-indexed Chebyshev U-polynomials evaluated at sqrt(10)/2.
Terms
- a(0) =1a(1) =9a(2) =71a(3) =559a(4) =4401a(5) =34649a(6) =272791a(7) =2147679a(8) =16908641a(9) =133121449a(10) =1048062951a(11) =8251382159a(12) =64962994321a(13) =511452572409
External references
- oeis: A057080