a(n) = 2^(2n-1) sin(nA)/sqrt(15), where A is the angle opposite side BC in a triangle ABC having sidelengths |BC|=2, |CA| = 3, |AB| = 4; ABC is the smallest integer-sided scalene triangle.
A375883
a(n) = 2^(2n-1) sin(nA)/sqrt(15), where A is the angle opposite side BC 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) =7a(3) =33a(4) =119a(5) =305a(6) =231a(7) =-3263a(8) =-26537a(9) =-133551a(10) =-510265a(11) =-1435039a(12) =-1881033a(13) =9793393a(14) =98650279a(15) =533857665a(16) =2158599191a(17) =6568471697a(18) =11441714823a(19) =-25003543391a(20) =-358092240905
External references
- oeis: A375883