Half the number of 3 X n binary arrays with no path of adjacent 1's or adjacent 0's from top to bottom or side to side.

A069448

Half the number of 3 X n binary arrays with no path of adjacent 1's or adjacent 0's from top to bottom or side to side.

Terms

    a(0) =3a(1) =35a(2) =269a(3) =1723a(4) =10123a(5) =56757a(6) =309755a(7) =1663515a(8) =8846821a(9) =46767491a(10) =246319875a(11) =1294402053a(12) =6792548971a(13) =35614277883a(14) =186632524741a(15) =977711862035

External references