-665280

Appears in sequences

• Triangle of nonzero coefficients of Hermite polynomials H_n(x) in increasing powers of x.at n=36A059343
• Row 8 of array in A288580.at n=22A092973
• Triangle of polynomials P(n,x) of degree n related to Pi (see comment) and derived from Padé approximation to exp(x).at n=27A113216
• a(n) = 9*8*7*6*5*4*3*2*1 - 18*17*16*15*14*13*12*11*10 + 27*26*25*24*23*22*21*20*19 - ... + (up to the n-th term).at n=13A319892
• a(n) = n! * Sum_{d|n} (-1)^(d+1) / (d! * (n/d)!).at n=11A363737
• Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^j * binomial(k,j) * (1-j)^n.at n=51A389570