19673

Appears in sequences

• Numbers whose base-3 representation contains no 0's and exactly one 1.at n=42A044966
• Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2*n - 2*k + 1)*T(n-1, k-1) + (2*k - 1)*T(n-1, k).at n=46A060187
• Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2*n - 2*k + 1)*T(n-1, k-1) + (2*k - 1)*T(n-1, k).at n=53A060187
• A column and diagonal of A060187.at n=8A060188
• Number of unlabeled maximal independent sets in the n-cycle graph.at n=48A127687
• Triangle read by rows: T(n, k) = (-1)^(n+k) * A060187(n+1, k+1).at n=46A138076
• Coefficients of derivatives of MacMahon polynomials (A060187): p(x,n)=2^n*(1 - x)^(1 + n)*LerchPhi[x, -n, 1/2]; p'(x,n)=(d/dx)p{x,n).at n=36A142707
• Triangle read by rows: real part of Lerch Phi expansion of p(x,n) = 2^n*(1 - i*x)^(n+1) * LerchPhi(i*x, -n, 1/2).at n=53A143196
• Triangle T(n,k) = A060187(n+2,k+2), 1<=k<=n.at n=28A154817
• Triangle T(n,k) = (2*n-k-1)*T(n-1,k-1) + (k+1)*T(n-1,k), with T(n,1) = T(n,n) = 1, 1 <= k <= n, read by rows.at n=46A156139
• Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2*x - x^2)^(n + 1)*Sum_{j >= 0} (j+1)^n*(-2*x + x^2)^j.at n=60A156901
• Triangle T(n,m) = 2*A022167(n,m) - binomial(n, m), 0 <= m <= n, read by rows.at n=46A174527
• Monotonic ordering of nonnegative differences 3^i-10^j, for 40>= i>=0, j>=0.at n=24A192159
• Greatest number (in decimal representation) with n nonprime substrings in base-3 representation (substrings with leading zeros are considered to be nonprime).at n=25A217113
• a(n) = a(n-2) + a(n-3) + a(n-4) with a(0) = 0, a(1) = a(2) = 1, a(3) = 0.at n=29A277252
• Number of nonequivalent minimal total dominating sets in the n-cycle graph up to rotation.at n=48A302918
• Indices k at which either the leading digit or the length of A121805(k) changes.at n=40A367358