Number of nX6 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A304008

Number of nX6 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =49a(2) =53a(3) =115a(4) =271a(5) =538a(6) =1458a(7) =2973a(8) =7826a(9) =19113a(10) =47074a(11) =115148a(12) =283156a(13) =698411a(14) =1720946a(15) =4258788a(16) =10518418a(17) =26019796a(18) =64391560a(19) =159345205a(20) =394533973a(21) =976872015a(22) =2419079852a(23) =5991435758a(24) =14839400772a(25) =36760610050a(26) =91064615465

External references