185684

Appears in sequences

• a(n) = Sum_{k=0..n} A026626(n, k).at n=17A026633
• Row sums of inverse of Riordan array (1/(1+x),x/(1+x)^4).at n=7A107026
• Number of (6+1)X(n+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=8A250735
• Expansion of (1/x) * Series_Reversion( x / (1+x+x^4/(1+x)^3) ).at n=28A369592