2143296

Appears in sequences

• Squares which are palindromes in base 11.at n=19A029997
• Even squares in which parity of digits alternates.at n=25A030158
• Squares with property that digits alternate in parity individually as well as in concatenation with previous terms.at n=27A068888
• Base-11 representation of a(n) is the concatenation of the base-11 representations of 1, 2, ..., n, n-1, ..., 1.at n=4A260861