217015

Appears in sequences

• Triangle of 4 - restricted Eulerian numbers as polynomials used in exponential data smoothing: m(p,k,x)=((-1)^k*(1 - x)^(p + k)/(k!(p - 1)!))*Sum[(p - 1 + j)!*j^k*x^j/(j!), {j, 0, Infinity}]/x;n=6; t(m,l)=coefficients((-1)^m*m!*M[n, m, x])/n.at n=26A152249
• Triangle read by rows: Poincaré polynomials of orbifold of Fermat hypersurfaces.at n=15A281620
• Number of sets of integer-sided rectangular pieces that can tile a 2 X n rectangle.at n=21A360631