192130

Appears in sequences

• Number of necklaces with 7 black beads and n-7 white beads.at n=28A032192
• Number of necklaces with n white beads and 4*n black beads.at n=7A261498
• A(n,k) is (1/k) times the number of n-member subsets of [k*n] whose elements sum to a multiple of n; square array A(n,k), n>=1, k>=1, read by antidiagonals.at n=61A309148
• (1/5) times the number of n-member subsets of [5n] whose elements sum to a multiple of n.at n=6A309184