-2282

Appears in sequences

• G.f.: (1+x+x^2-sqrt(1+2x+3x^2-2x^3+x^4))/2.at n=18A129509
• Stirling-like triangle by rows generated from (x-1)*(x-1)*(x-2)*(x-3)*(x-4)*...at n=39A158471