51311domain: NAppears in sequencesAntidiagonal sums of triangle A123610.at n=16A123612Integers of the form 8k + 7 that can be written as a sum of four distinct squares of the form m, m + 2, m + 3, m + 4, where m == 2 (mod 4).at n=27A243581Approximation of the 7-adic integer exp(7) up to 7^n.at n=6A309904