231250

Appears in sequences

• Numbers k such that k | 12^k + 11^k + 10^k + 9^k + 8^k + 7^k + 6^k + 5^k.at n=27A057491
• Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j^2 can be written as a sum of two squares in 16 ways.at n=15A097238
• G.f. satisfies: 1 = Sum_{n>=0} (-x)^(n^2) * A(x)^(2*n+1).at n=9A193115
• Numbers m such that the largest digit in the decimal expansion of 1/m is 4.at n=35A351470