53938

Appears in sequences

• Numerators of increasingly better rational approximations to Pi with increasing denominators (3/1, 13/4, 16/5, 19/6, 22/7, 179/57, ...)at n=19A063674
• Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.at n=33A208972
• Triangle read by rows: T(n,k) is the number of weighted lattice paths B(n) having k uhd strings.at n=36A247290
• Number of weighted lattice paths B(n) having no uhd strings.at n=15A247291
• Total number of regions between the free polyominoes with n cells and their bounding boxes.at n=10A380285