475809

Appears in sequences

• s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Lucas numbers), t = A001950 (upper Wythoff sequence).at n=33A024475
• s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = A001950 (upper Wythoff sequence).at n=32A025095
• Number of n X 5 binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=5A228680
• T(n,k)=Number of nXk binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=50A228683
• Number of 6Xn binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.at n=4A228687
• Integers n such that each of n, n + 1, n + 2, n + 4, n + 5, n + 6 is the squarefree product of three primes.at n=27A242805