41180

Appears in sequences

• a(n) = 49*n^2 - n.at n=28A157923
• a(n) = 841*n^2 - 29.at n=6A158667
• Number of permutations of 1..n containing the relative rank sequence { 2374156 } at any spacing.at n=3A159182
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.at n=37A231997
• Number of (2+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.at n=7A231999
• Expansion of Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - x^j)^j.at n=42A318771