158224

Appears in sequences

• Fermat coefficients.at n=13A000972
• a(n) = floor(C(n,6)/7).at n=33A011797
• Number of necklaces with 7 black beads and n-7 white beads.at n=27A032192
• T(n,7), array T as in A051168; a count of Lyndon words; aperiodic necklaces with 7 black beads and n-7 white beads.at n=27A051172
• a(4n+k) = (k+1)*binomial(5n+k,n)/(4n+k+1), k=0..3.at n=27A118968
• a(n) = binomial(5*n+3,n)/(n+1).at n=6A118971
• Triangle, read by rows, defined by: T(n,k) = 1/((k+1)n-1) binomial((k+1)n-1,n) for n,k>0.at n=48A162382
• 4-parking triangle T(r, i, 4) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 4 and 0 <= i <= r.at n=21A329060
• Number of achiral dissections of a polygon into n hexagons by nonintersecting diagonals rooted at a cell.at n=12A370061
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = binomial((k+1)*n+k-1,n)/(n+1).at n=61A386558