54080domain: NAppears in sequencesTheta series of D_6 lattice.at n=30A008428a(n) = 4*n*(21*n - 26).at n=26A263229Number of sets of exactly n positive integers <= n+7 having a square element sum.at n=23A281970a(n) = the number of cubes (of integers > 0) that have bit length n.at n=53A365932