42058domain: NAppears in sequencesa(n) = 7 + floor((1 + Sum_{j=1..n-1} a(j))/4).at n=39A120165Sum of two consecutive products of Fibonacci and Pell numbers: F(n)*P(n) + F(n+1)*P(n+1).at n=8A344684G.f. satisfies A(x) = 1 + x^4*A(x)^2 / (1 - x*A(x)).at n=24A365696