950912
domain: N
Appears in sequences
- Sum of adjacent Catalan numbers.at n=12A005807
- Third diagonal of array in A059347.at n=24A059348
- 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=13A071716
- Self-convolution of repeated Catalan numbers.at n=24A104722
- Sum of all n-digit Catalan numbers.at n=5A131468
- The matrix-vector product A133080 * A000108.at n=13A133602
- a(n) = 4*a(n-1) - 4*a(n-2) + 2*a(n-4), with a(0)=a(1)=a(2)=0, and a(3)=1.at n=17A135248
- Expansion of (1+x)*c(x), c(x) the g.f. of A000108.at n=13A167422