84190domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(721).at n=15A042389Number of strings of numbers x(i=1..5) in 0..n with sum i*x(i) equal to n*5.at n=28A184705Expansion of e.g.f. sinh(sqrt(3) * (exp(x)-1)) / sqrt(3).at n=9A357572