4787344domain: NAppears in sequencesSquares which are palindromes in base 3.at n=28A029985Squares of Motzkin numbers.at n=10A133053Maximum number of rational points on a smooth absolutely irreducible projective curve of genus 1 over the field F_3^n.at n=13A169877Numbers k such that k^4 is sum of two positive 7th powers.at n=9A291830