45688domain: NAppears in sequencesPowers of cube root of 5 rounded to nearest integer.at n=20A017989Powers of cube root of 5 rounded up.at n=20A017990[ exp(1/8)*n! ].at n=7A030961a(0) = 1, a(1) = 3; a(n+2) = (a(n+1) + a(n))/2 if 2 divides (a(n+1) + a(n)), a(n+2) = a(n+1) + a(n) otherwise.at n=42A151749