247080

Appears in sequences

• Numbers k such that A109631(k) + A109631(k+1) = A109631(k+2).at n=24A109651
• Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: p(x,n) = ((x+r)^n - (x+s)^n)/(r - s), where r = 3 and s = 2.at n=48A327316