Number of nX5 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
A230649
Number of nX5 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).
Terms
- a(0) =0a(1) =15a(2) =27a(3) =531a(4) =1635a(5) =28161a(6) =90393a(7) =1539207a(8) =4956927a(9) =84335553a(10) =271665969a(11) =4621740687a(12) =14888070495a(13) =253283346081a(14) =815905965057
External references
- oeis: A230649