157250

Appears in sequences

• Sum of the prime factors of k equals half the sum of the prime factors of k + 1.at n=33A074213
• Fourth binomial transform of binomial(n+4, 4).at n=6A081900
• 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=24A097244
• a(n) = (n - 1)*(4*n^2 - 8*n + 5).at n=34A317297