a(n) = coefficient of the term that is independent of sqrt(2), sqrt(3), and sqrt(6) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
A377113
a(n) = coefficient of the term that is independent of sqrt(2), sqrt(3), and sqrt(6) in the expansion of (3 + sqrt(2) + sqrt(3))^n.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =72a(4) =400a(5) =2328a(6) =13904a(7) =84192a(8) =513472a(9) =3143232a(10) =19278464a(11) =118359552a(12) =727045120a(13) =4467233280a(14) =27452300288a(15) =168714381312
External references
- oeis: A377113