38440

Appears in sequences

• Reverse of largest prime factor of n = smallest prime factor of n+1; a(1)=1.at n=27A071393
• Vassiliev invariant of fourth order for the torus knots.at n=15A180324
• Number of length n+4 0..3 arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..3 introduced in 0..3 order.at n=5A244695
• T(n,k)=Number of length n+4 0..k arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..k introduced in 0..k order.at n=33A244702
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 531", based on the 5-celled von Neumann neighborhood.at n=15A282953
• a(n) = n^2*(n*(4*n + 3) + 3*n*(-1)^n - 4)/96.at n=30A302758
• a(n) = the hypergraph Fuss-Catalan number FC_(3,3)(n).at n=2A362217
• Number of n X 4 0..2 matrices with row sums 4 and column sums n up to permutations of rows.at n=10A377068