41675

Appears in sequences

• Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 9.at n=4A116140
• Numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 7.at n=3A116195
• a(n) = n*(8*n^2 + 1)/3.at n=25A143166
• Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal.at n=30A208946
• Number of n X 3 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.at n=3A233077
• T(n,k)=Number of nXk 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.at n=18A233082
• Number of 4Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.at n=2A233085
• The growth series for the affine Coxeter (or Weyl) group [3,3,5] (or H_4).at n=47A266783