45607

Appears in sequences

• Number of n X 2 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.at n=10A278171
• Numbers that are nontrivially palindromic in three or more consecutive integer bases.at n=20A279093
• a(n) = Sum_{k=1..n} phi(k) * (floor(n/k)^4 - floor((n-1)/k)^4).at n=22A344600