74628

Appears in sequences

• a(n) = floor(phi*a(n-1)) + a(n-2) where phi is the golden ratio.at n=15A005830
• T(2n-1,n-1), T given by A026907.at n=6A026912
• T(n,[ n/2 ]), T given by A026907.at n=13A026914
• Numbers k divisible by at least one nontrivial permutation (rearrangement) of the digits of k, excluding all permutations that result in digit loss.at n=23A090056
• Number of paths from (0,1) to (n,2), with vertices (i,k) satisfying 0 <= k <= 3, consisting of segments given by the vectors (1,1), (1,2), (1,-1).at n=18A247355
• a(n) = Ann(2n) where Ann(n) is the number of annular non-crossing matchings with n total endpoints.at n=10A268042