4055128

Appears in sequences

• a(n+1) = floor(a(n) * Sum_{k=0..n} 1/a(k)^s), where s = Sum_{k>=0} 1/a(k)^s and a(0)=1; s = 2.260568736857767...at n=20A080135
• Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=5A234224
• Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=4A234225