1042441

Appears in sequences

• Squares which are palindromes in base 3.at n=24A029985
• a(n) = prime^2 and digits of prime appear in a(n).at n=22A030081
• Non-palindromic squares which when written backwards remain square (and still have the same number of digits).at n=21A035090
• Base-3 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,2.at n=12A037544
• Squares k^2 such that reverse(k)^2 = reverse(k^2), excluding squares of palindromes.at n=19A064021
• Squares which repeat with at least two full periods when written in base 3.at n=9A071129
• Brilliant numbers (A078972) whose digit reversal is a square.at n=25A115668
• Perfect squares with property that their digit reversal is a larger perfect square.at n=13A156316
• Numbers which are perfect squares and either form equal or larger perfect squares when reversed.at n=29A156317
• Non-palindromic squares whose digit reversal gives a square (possibly with fewer digits).at n=39A161902
• Prime powers (A025475) whose decimal digit reversal is also a prime power.at n=15A226035
• Non-palindromic numbers n such that the square root of n multiplied by the reversal of n is a palindrome.at n=29A258382
• Squares whose base-3 expansion has no 0.at n=30A363428