209764

Appears in sequences

• a(n) = (12*n + 2)^2.at n=38A017546
• Squares for which both the sum of the digits and the product of the digits is a triangular number.at n=27A118490
• Expansion of (1+11*x+24*x^2+11*x^3+10*x^4)/(1-x)^5.at n=17A160750
• Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.at n=11A173943
• Squares which have one or more occurrences of exactly six different digits.at n=19A235721
• Numbers whose sum of squarefree divisors and sum of nonsquarefree divisors are both squarefree numbers.at n=31A300984
• Squares in whose primorial base expansion only even digits appear.at n=46A328850