71742

Appears in sequences

• Decimal part of a(n)^(1/2) starts with a 'nine digits' anagram.at n=24A034277
• Triangle T(n,k) giving number of 4 X k polyominoes with n cells (n >= 4, 1<=k<=n-3).at n=62A059684
• Sum of squares of first n quarter-squares (A002620).at n=22A059859
• A linear combination of Eulerian numbers (A008292) and Pascal's triangle (A007318); t(n,m)=(3*A008292(n,m)-A007318(n,m))/2.at n=47A141691
• A linear combination of Eulerian numbers (A008292) and Pascal's triangle (A007318); t(n,m)=(3*A008292(n,m)-A007318(n,m))/2.at n=52A141691
• T(n, k) = Sum_{j=k..n} binomial(n, j)*E2(j, j-k), where E2 are the Eulerian numbers A201637. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=52A343804