27844

Appears in sequences

• Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n; then a(n) is the trace of M(n)^(-7).at n=9A114359
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210599; see the Formula section.at n=52A210598
• Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock summing to 4 5 6 7 or 8.at n=2A251492
• Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.at n=0A251494
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.at n=3A251499
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.at n=5A251499
• Expansion of Product_{k>=1} (1+x^k)^(A002203(k)).at n=9A261332
• The number of 4-connected triangulations of the triangle with n inner vertices.at n=11A262322