453423

Appears in sequences

• Number of n X 8 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.at n=1A069299
• Number of 3 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.at n=6A069307
• a(n) = Sum_{k=1..n} k^2 * tau(k)^2, where tau is A000005.at n=37A320897