84727

Appears in sequences

• Number of 2-dimensional directed compact animals of size n.at n=12A006801
• Numerators of continued fraction convergents to sqrt(321).at n=6A041606
• Least j > 1 such that j^2 = (4*n^2 + 2)*(k^2) + (4*n^2 + 2)*k + 1.at n=27A106231
• Number of lower triangles of an (n+8) X (n+8) 0..5 array with new values introduced in row major order 0..5 and no element unequal to more than one horizontal or vertical neighbor.at n=4A194775
• T(n,k)=Number of lower triangles of an (n+2k-2)X(n+2k-2) 0..k array with new values introduced in row major order 0..k and no element unequal to more than one horizontal or vertical neighbor.at n=40A194778
• Number of lower triangles of a (2n+3)X(2n+3) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.at n=4A194783