Number of n X 1 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A279865
Number of n X 1 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =6a(4) =6a(5) =30a(6) =54a(7) =158a(8) =342a(9) =846a(10) =1910a(11) =4446a(12) =10038a(13) =22734a(14) =50838a(15) =113310a(16) =250774a(17) =552654a(18) =1211958a(19) =2647390a(20) =5760630a(21) =12492366a(22) =27003990a(23) =58202526a(24) =125104086a(25) =268228430a(26) =573739254a(27) =1224529758a(28) =2608132022a(29) =5544352206
External references
- oeis: A279865