3417340
domain: N
Appears in sequences
- Sum of adjacent Catalan numbers.at n=13A005807
- Third diagonal of array in A059347.at n=26A059348
- Expansion of (1+x^2*C)*C, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=14A071716
- Self-convolution of repeated Catalan numbers.at n=26A104722
- The matrix-vector product A133566 * A000108.at n=14A133603
- Expansion of (1+x)*c(x), c(x) the g.f. of A000108.at n=14A167422