1562275

Appears in sequences

• a(n) = binomial coefficient C(n,8).at n=18A000581
• a(n) = 9*binomial(2n,n-4)/(n+5).at n=9A001392
• Binomial coefficient C(2n,n-5).at n=8A004311
• Binomial coefficient C(26,n).at n=8A010942
• Binomial coefficient C(26,n).at n=18A010942
• a(n) = binomial(n,18).at n=8A010971
• Alkane (or paraffin) numbers l(12,n).at n=17A018213
• Binomial coefficients: C(n,k), 8 <= k <= n-8, sorted, duplicates removed.at n=23A024760
• a(n) = binomial(3n-1, n-1).at n=9A025174
• Take n equally spaced points on circle, connect them by a path with n-1 line segments; sequence gives number of distinct path lengths.at n=18A030077
• a(n) = binomial(n, floor(n/3)).at n=26A051033
• One half of binomial coefficients binomial(2*n-8,9).at n=8A053133
• Binomial coefficients C(2*n+8,8).at n=9A053137
• Triangle, read by antidiagonals, where T(n,k) = C(n+n*k+k, n*k+k).at n=57A060543
• a(n) = binomial(floor((3n+2)/2), floor(n/2)).at n=17A099578
• Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + x*A(x, y)^2 + x*y*A(x, y)^3.at n=53A104978
• Triangle read by rows: T(n,k) = binomial(3*n-k,n-k).at n=46A119301
• 10th column of Catalan triangle A009766.at n=8A124088
• a(n) = binomial(floor((3n+4)/2),floor(n/2)).at n=16A127040
• a(n) = binomial(n, sum_digits_n).at n=26A128936