390138

Appears in sequences

• a(n) = Sum_{k=1..n} A001263(n,k) * A027656(k).at n=11A136520
• Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111.at n=7A260369