Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 king-move adjacent elements, with upper left element zero.

A297855

Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =23a(2) =21a(3) =53a(4) =45a(5) =81a(6) =130a(7) =186a(8) =203a(9) =313a(10) =533a(11) =737a(12) =1132a(13) =1722a(14) =2282a(15) =3719a(16) =5672a(17) =8216a(18) =12567a(19) =18631a(20) =27784a(21) =41385a(22) =63526a(23) =95485a(24) =142633a(25) =216863a(26) =319973a(27) =486432a(28) =733798a(29) =1104890

External references