70087domain: NAppears in sequencesNumbers k such that the period of the continued fraction for sqrt(k) contains exactly 79 ones.at n=3A031847a(n) = (1/9)*((6*n - 7)*2^(n-1) - (-1)^n).at n=13A113861Number of compositions of n such that each part is adjacent to an equal part.at n=30A114901