Number of lower triangles of a 5 X 5 0..n array with each element differing from all of its horizontal and vertical neighbors by one.

A195001

Number of lower triangles of a 5 X 5 0..n array with each element differing from all of its horizontal and vertical neighbors by one.

Terms

    a(0) =2a(1) =576a(2) =2290a(3) =4990a(4) =7858a(5) =10804a(6) =13754a(7) =16706a(8) =19658a(9) =22610a(10) =25562a(11) =28514a(12) =31466a(13) =34418a(14) =37370a(15) =40322a(16) =43274a(17) =46226a(18) =49178a(19) =52130a(20) =55082a(21) =58034a(22) =60986a(23) =63938a(24) =66890a(25) =69842a(26) =72794a(27) =75746a(28) =78698a(29) =81650

External references