a(n) = 4^n sin(nC)/sqrt(15), where B is the angle opposite side CA in a triangle ABC having sidelengths |BC|=2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle.
A375885
a(n) = 4^n sin(nC)/sqrt(15), where B is the angle opposite side CA in a triangle ABC having sidelengths |BC|=2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =-12a(4) =-56a(5) =80a(6) =1056a(7) =832a(8) =-15232a(9) =-43776a(10) =156160a(11) =1012736a(12) =-473088a(13) =-17149952a(14) =-26730496a(15) =220938240a(16) =869564416a(17) =-1795883008a(18) =-17504796672a(19) =-6275465216a(20) =267525816320a(21) =635459076096
External references
- oeis: A375885