-23939

Appears in sequences

• Expansion of (1 + 4*x)/(1 + 7*x + 16*x^2).at n=9A087170
• Expansion of 1/(1 - x + 4*x^2).at n=18A106853
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0 < r <= n. Sequence contains the leading diagonal.at n=36A110427