525625
domain: N
Appears in sequences
- Numbers that are the sum of 2 nonzero squares in exactly 7 ways.at n=7A025290
- Numbers that are the sum of 2 distinct nonzero squares in exactly 7 ways.at n=9A025308
- Squares composed of digits {2,5,6}.at n=9A030484
- Squares whose decimal digits are nonsquares (2, 3, 5, 6, 7, 8).at n=29A077437
- Squares using only squarefree digits (2, 3, 5, 6, 7).at n=24A077676
- "Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes.at n=25A108324
- a(n) = (29*n)^2.at n=25A133496
- Squares which when subtracted from their reverse form nonzero squares.at n=3A152071
- Denominator of 1/(n-2)^2 - 1/(n+2)^2.at n=25A171638
- a(n) = A061037(n)^2.at n=25A181763
- The numerator of curvature of touching circles inscribed in a special way in the smaller segment of circle of radius 1/6 divided by a chord of length sqrt(8/75).at n=5A248834
- Numbers that can be expressed as x+2y+z such that x, y, z, x+y, y+z, and x+2y+z are all positive squares.at n=35A307481
- a(n) is the least perfect power > 2^n.at n=19A357751
- a(n) is the least square with n binary digits.at n=17A357753
- Perfect squares whose pattern of identical digits is unique among the squares.at n=31A374267