Number of (n+1)X5 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.

A185793

Number of (n+1)X5 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum.

Terms

    a(0) =260a(1) =576a(2) =1336a(3) =3756a(4) =9368a(5) =24392a(6) =59944a(7) =164576a(8) =411300a(9) =1098776a(10) =2746164a(11) =7479296a(12) =18813148a(13) =50697072a(14) =127845936a(15) =346693136a(16) =877012028a(17) =2367167080a(18) =6003249108a(19) =16226037056a(20) =41232724008a(21) =111162587792a(22) =283070770512

External references