a(n) = coefficient of sqrt(3) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
A377115
a(n) = coefficient of sqrt(3) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =36a(4) =216a(5) =1304a(6) =7920a(7) =48320a(8) =295680a(9) =1812672a(10) =11124864a(11) =68320000a(12) =419719680a(13) =2579051008a(14) =15849305088a(15) =97406521344a(16) =598661038080
External references
- oeis: A377115