51074

Appears in sequences

• a(n) = floor(tau*a(n-1)) + floor(tau*a(n-2)) with a(0)=1 and a(1)=3.at n=13A005913
• Number of ways to partition n labeled elements into pie slices of different sizes of at least 2, allowing the pie to be turned over.at n=12A032221
• Number of ways to partition n labeled elements into sets of different sizes of at least 2.at n=12A032311
• Number of 3 X n binary matrices with no zero rows or columns, up to row and column permutation.at n=20A055609
• Total sum of parts of multiplicity 1 in all partitions of n.at n=28A103628
• Number of (5+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=20A258558