-1860

Appears in sequences

• Shifts left and changes sign under Weigh transform.at n=19A038074
• McKay-Thompson series of class 44a for Monster.at n=38A058680
• Irregular triangle read by rows: first row is 1, n-th row (n > 0) consists of the coefficients in the expansion of H(x;n)*(x + 1)^(n - 1)/2^floor(n/2), where H(x;n) is the Hermite polynomial of order n.at n=52A171531
• G.f.: A(x,q) = sqrt( Q(x,q) / Q(x,-q) ), where Q(x,q) = Sum_{n=-oo..+oo} (x - q^n)^n.at n=207A292929
• Row 2 in rectangular array A292929.at n=17A294065