19279494

Appears in sequences

• Triangle, read by rows, where row n lists coefficients in Product_{k=1..n} (k + x + (n+1-k)*x^2), for n >= 0.at n=72A322229
• Coefficient of x^n in Product_{k=1..n} (k + x + (n+1-k)*x^2), for n >= 0.at n=8A322233