1071225

Appears in sequences

• Squares of odd triangular numbers.at n=22A014736
• Squares of odd hexagonal numbers.at n=11A014771
• Squares k such that k - 2 and k + 2 are prime.at n=20A144938
• Squares n with digit 1 that remain positive square after omitting all 1's from n.at n=17A176899
• If x is in the sequence then so are x^2 and x(x+1)/2.at n=41A241241