Number of n X 3 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A279852
Number of n X 3 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =2a(1) =10a(2) =49a(3) =168a(4) =557a(5) =1758a(6) =5441a(7) =16500a(8) =49253a(9) =145290a(10) =424425a(11) =1229824a(12) =3539405a(13) =10127350a(14) =28832593a(15) =81728396a(16) =230776757a(17) =649427170a(18) =1821994809a(19) =5097729560a(20) =14227693853a(21) =39620451150a(22) =110107647905a(23) =305424435364a(24) =845754303493
External references
- oeis: A279852