68157440

Appears in sequences

• a(n) = (3*n-1) * 2^(n-2).at n=21A053220
• a(n) = (n^(n+1) + n^(n-1))/2.at n=7A062023
• a(n) = n^7*(n^2 + 1)/2.at n=8A168636
• Number of n X 3 0..7 arrays with no element x(i,j) adjacent to itself or value 7-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 4 5 and 6, 2 appearing before 3 4 and 5, and 3 appearing before 4 in row major order (unlabelled 8-colorings with no clashing color pairs).at n=7A233163
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 229", based on the 5-celled von Neumann neighborhood.at n=26A286966