56176

Appears in sequences

• Numbers of Twopins positions.at n=26A005688
• Number of subsets of {1, ..., n} that are not double-free.at n=16A088808
• a(n) = a(n-1) + a(n-2) + 2a(n-3).at n=17A140295
• Number of length 3+2 0..n arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=10A251937
• Zeroless numbers n whose digit product squared is equal to the digit product of n^2.at n=28A256115