3344544domain: NAppears in sequencesSixth convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.at n=8A073393a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^0 if n is even.at n=31A140157Solutions to 2*x - phi(x) = sigma(x)/2, where phi(x) is the Euler totient function of x.at n=7A290704