219060

Appears in sequences

• a(n) = 676*n^2 + 2*n.at n=17A158385
• a(n) = 1296*n^2 + 36.at n=13A158739
• a(n) = 169*n^2 + n.at n=35A173275
• Number of 2n X 6 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=6A198280
• Number of 2n X 14 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=2A198284
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=38A198285
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=42A198285
• a(n) = number of decimal digits of A007505(n).at n=51A275247