99905

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 8 ways.at n=25A025291
• Numbers that are the sum of 2 nonzero squares in 7 or more ways.at n=27A025298
• Numbers that are the sum of 2 nonzero squares in 8 or more ways.at n=27A025299
• Numbers that are the sum of 2 distinct nonzero squares in exactly 8 ways.at n=25A025309
• Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways.at n=27A025317
• Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways.at n=27A025318
• Numbers k that are the hypotenuse of exactly 40 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 40 ways.at n=15A097282
• RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n).at n=24A141812
• Positive numbers y such that y^2 is of the form x^2+(x+41)^2 with integer x.at n=15A157257
• Numbers n that are the product of four distinct odd primes and x^2 + y^2 = n has integer solutions.at n=11A264499
• a(n) is the smallest centered n-gonal number with exactly n distinct prime factors.at n=1A358894
• a(n) is the smallest centered square number with exactly n distinct prime factors.at n=4A359234
• Centered square numbers which are products of four distinct primes (or tetraprimes).at n=0A370795