Number of n X 3 binary arrays without the pattern 0 0 diagonally or vertically.

A188700

Number of n X 3 binary arrays without the pattern 0 0 diagonally or vertically.

Terms

    a(0) =8a(1) =21a(2) =90a(3) =304a(4) =1141a(5) =4084a(6) =14925a(7) =54049a(8) =196508a(9) =713225a(10) =2590574a(11) =9406448a(12) =34159833a(13) =124045128a(14) =450458681a(15) =1635781681a(16) =5940155616a(17) =21570956189a(18) =78332387394a(19) =284454730240

External references