36126720

Appears in sequences

• A triangular sequence based on expansion of the rational polynomial of A001788 as a Sheffer sequence: p(x,t)=Exp[x*t]*(-1/(2*t - 1)^3).at n=38A138192
• a(n) is the denominator of Sum_{k=0..n} Catalan(k)/(2^(2k)(n-k+1)^2).at n=7A282296
• Triangle read by rows. A generalization of unsigned Lah numbers, called L[2,1].at n=38A286724
• Third column of triangle A286724: Lah[2,1](n+2, 2), n >= 0.at n=6A286725
• Number of semimagic quad squares that can be formed using cards from Quads-2^n deck.at n=0A362964