61625

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 8 ways.at n=8A025291
• Numbers that are the sum of 2 nonzero squares in 7 or more ways.at n=8A025298
• Numbers that are the sum of 2 nonzero squares in 8 or more ways.at n=8A025299
• Numbers that are the sum of 2 distinct nonzero squares in exactly 8 ways.at n=8A025309
• Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways.at n=8A025317
• Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways.at n=8A025318
• Numbers n that are the hypotenuse of exactly 31 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 31 ways.at n=4A097244
• a(n) is the number of binary strings of length n such that no subsequence of length 5 or less contains 3 or more ones.at n=22A120118
• RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n).at n=21A141812
• Numbers k such that 4*10^k + 21 is prime.at n=27A276047
• Number of nX4 0..1 arrays with every element equal to 0, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=8A300134