Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.
A207584
Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.
Terms
- a(0) =6a(1) =36a(2) =60a(3) =144a(4) =312a(5) =612a(6) =1250a(7) =2516a(8) =4968a(9) =9796a(10) =19256a(11) =37740a(12) =73704a(13) =143810a(14) =280340a(15) =545664a(16) =1061676a(17) =2064584a(18) =4012968a(19) =7798252a(20) =15150258a(21) =29428972a(22) =57157720a(23) =111001924a(24) =215555184a(25) =418562876a(26) =812728688a(27) =1578038530a(28) =3063930012
External references
- oeis: A207584