29740

Appears in sequences

• a(n)=number of Catalan knight paths in Quadrant I from (0,0) to points on the vertical line x=n. A Catalan knight moves (2 right and 1 up) or (1 right and 1 down).at n=12A096588
• Expansion of 1/(x^k*(1-x-3*x^(k+1))) for k=4.at n=22A143455
• Number of cyclotomic cosets of 9 mod 10^n.at n=43A220020
• Number of chiral pairs of color patterns (set partitions) in a cycle of length n.at n=10A320749
• Number of n-bead bracelet structures using an infinite alphabet that are not self-equivalent under either a nonzero rotation or reversal (turning over bracelet).at n=10A327740