105987

Appears in sequences

• "DIJ" (bracelet, indistinct, labeled) transform of 3,3,3,3,...at n=6A032268
• Number of different ways to select n elements from three sets of n elements such that there is at least one element from each set.at n=6A115246
• Number of idempotent 3X3 -n..n matrices of rank 2.at n=24A223452
• Triangle T(n,m) for the number of ways to put n stones into an m X n square grid such that each of the m rows contains at least one stone.at n=23A259051
• a(n) = binomial(3*prime(n), prime(n)) - 3*binomial(2*prime(n), prime(n)) + 3.at n=3A272630