124872

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|>=|y-z|.at n=22A212682
• (1/7) times the number of n-member subsets of [7n] whose elements sum to a multiple of n.at n=5A309186
• a(n) is the smallest positive integer k for which there is an identity of the form k*x = Sum_{i=1..m} k_i*g_i(x)^n where k_1, ..., k_m are in Z and g_1(x), ..., g_m(x) are in Z[x].at n=43A370252
• Number of subsets of 6 integers between 1 and n such that their sum is 0 modulo n.at n=35A381289