29285domain: NAppears in sequencesNumbers k such that the continued fraction for sqrt(k) has period 77.at n=33A020416Numbers n for which abs((-1)^k*Sum_{k=1..n} ((n-k+1) mod k)) = 0.at n=10A154586Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_10)^2 <= n.at n=6A341399