154986domain: NAppears in sequencesG.f. satisfies: A(x) = (12 + A(x)^4) / (13 - 27*x).at n=6A245043Number of electrons per subshell in element Z=n expressed as a 56-bit unsigned integer.at n=24A333997a(n) = n * Sum_{d|n} binomial(d+4,5)/d.at n=25A343546