a(n) = coefficient of sqrt(6) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
A377116
a(n) = coefficient of sqrt(6) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =18a(4) =128a(5) =840a(6) =5328a(7) =33264a(8) =206080a(9) =1271808a(10) =7833472a(11) =48200064a(12) =296423424a(13) =1822459392a(14) =11203152896a(15) =68863546368a(16) =423273267200
External references
- oeis: A377116