31314

Appears in sequences

• Numbers that are the sum of 3 nonzero 6th powers.at n=31A003359
• a(n) = Sum of all divisors of all numbers < (n+1)^2.at n=12A168013
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=22A219803
• a(n) = 27*n^2 - 51*n + 24, n>=1.at n=34A304836
• a(n) = (2*n^4 - 6*(-1)^n*n^2 - 2*n^2 + 3*(-1)^n - 3)/96.at n=35A350050
• a(n) is the number of n-subsets of [0..p-1] whose n*(n-1) differences are congruent to 1..p-1 (mod p), where p=n*(n-1)+1.at n=17A351690
• a(n) is the sigma irregularity of the n-th power of a path graph of length at least 3*n.at n=16A363706
• Expansion of (1/x) * Series_Reversion( x * (1-x-x^3)^2 ).at n=7A368962