a(n) = (F(8*n+7)+F(8*n+5))/3, where F=A000045 (the Fibonacci sequence).

A049679

a(n) = (F(8*n+7)+F(8*n+5))/3, where F=A000045 (the Fibonacci sequence).

Terms

    a(0) =6a(1) =281a(2) =13201a(3) =620166a(4) =29134601a(5) =1368706081a(6) =64300051206

External references