92206

Appears in sequences

• Number of circular n-letter words over the alphabet {0,1,2,3} with adjacent letters differing by at most 2.at n=9A124805
• Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.at n=4A197173
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.at n=4A197177
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.at n=40A197180
• Solution of the complementary equation a(n) = 3*a(n-2) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=19A295139
• Number of incongruent n-sided periodic Reinhardt polygons.at n=68A373694
• Number of incongruent n-sided Reinhardt polygons.at n=68A374832