369098752

Appears in sequences

• a(n) = 11*2^n.at n=25A005015
• Denominators of coefficients of 1/2^(2n+1) in Newton's series for Pi.at n=16A054388
• Eighth column of triangle A067425.at n=6A067428
• a(n) = n! reduced mod 2^n.at n=28A068496
• Number of subsets of {1,.., n} containing exactly one prime.at n=35A089821
• Numbers of isomers of unbranched a-4-catapolyheptagons - see Brunvoll reference for precise definition.at n=15A121138
• Expansion of (1 + 2*x)^2/(1 - 2*x)^2.at n=22A241204