159322

Appears in sequences

• a(n) = Sum_{i=0..n} Sum_{j=0..n} T(i,j), T given by A026758.at n=15A026767
• Number of slanted n X 5 (i=1..n) X (j=i..5+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 3 neighbors with the same value.at n=7A165382