56864

Appears in sequences

• Numbers k such that phi(k) = phi(k+1).at n=30A001274
• Triangle formed when the cumulative boustrophedon transform is applied to 1, 1, 1, 1, ..., read by rows from left to right.at n=30A059433
• Triangle formed when cumulative boustrophedon transform is applied to 1, 1, 1, 1, ..., read by rows in natural order.at n=30A059434
• Numbers k such that lambda(k) = lambda(k+1).at n=40A173695
• Number of tilings of a 5 X n rectangle using pentominoes of any shape and monominoes.at n=4A278456
• Number A(n,k) of tilings of a k X n rectangle using pentominoes of any shape and monominoes; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=49A278657
• Number A(n,k) of tilings of a k X n rectangle using pentominoes of any shape and monominoes; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=50A278657
• Number of tilings of a 4 X n rectangle using pentominoes of any shape and monominoes.at n=5A278876
• G.f. A(x) satisfies A(x) = 1 + abs( x/A(x)^2 ).at n=15A384267