79528domain: NAppears in sequencesNumbers k such that lcm(1,2,3,...,k)/17 equals the denominator of the k-th harmonic number H(k).at n=38A112820Number of 8-step self-avoiding walks on an n X n square summed over all starting positions.at n=8A188153a(n) = Sum_{k=0..n} (-1)^k * binomial(4*k,n-k) * Catalan(k).at n=13A360085