45969domain: NAppears in sequences(A144325(n)^2 + A144313(n)^2 + A144315(n)^2) / 3.at n=2A144716a(n) = 68*n^2 + 1.at n=26A158732a(n) is the multiplicative inverse of A008514(n+1) modulo A008514(n).at n=19A334137