63688

Appears in sequences

• Decimal part of a(n)^(1/2) starts with a 'nine digits' anagram.at n=21A034277
• Power ceiling sequence of 3+sqrt(10).at n=5A218992
• Number of nX4 binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=6A228656
• T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=51A228660
• Number of 7 X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.at n=3A228666
• Numbers n such that if x=sigma(n)-tau(n)-n then n=sigma(x)-tau(x)-x.at n=32A238227