55225

Appears in sequences

• Squares of numbers of trees.at n=11A001256
• Squares of odd heptagonal numbers.at n=5A014773
• a(n) = (6*n + 1)^2.at n=39A016922
• a(n) = (8n + 3)^2.at n=29A017102
• a(n) = (9*n + 1)^2.at n=26A017174
• a(n) = (10*n + 5)^2.at n=23A017330
• a(n) = (11*n + 4)^2.at n=21A017438
• a(n) = (12*n + 7)^2.at n=19A017606
• Squares using at most two distinct digits, not ending in 0.at n=20A018884
• Squares using no more than two distinct digits.at n=26A018885
• Squares k^2 whose digits appear in k.at n=4A029775
• Squares composed of digits {2,5,6}.at n=5A030484
• Squares composed of digits {2, 5, 7}.at n=4A030485
• Smallest nontrivial extension of n-th palindrome which is a square.at n=13A030676
• Squares composed of digits {1,2,5}.at n=6A031151
• Squares composed of digits {2,4,5}.at n=4A031152
• Smallest square starting with a string of n 5's.at n=1A034987
• Smallest square containing exactly n 5's.at n=2A036512
• Square numbers that are concatenations of two or more prime numbers.at n=37A038692
• Squares with initial digit '5'.at n=20A045788