\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Catalan numbers \(A000108\)}{}% 2
\BOOKMARK [1][-]{section.3}{Central polygonal numbers \(A000124\)}{}% 3
\BOOKMARK [1][-]{section.4}{Powers of 2 \(A000079\)}{}% 4
\BOOKMARK [1][-]{section.5}{Left-to-right minima boundaries \(A121690\)}{}% 5
\BOOKMARK [1][-]{section.6}{Barred patterns \(A098569\)}{}% 6
\BOOKMARK [1][-]{section.7}{Motzkin numbers \(A001006\)}{}% 7
\BOOKMARK [1][-]{section.8}{Lattice paths and their area \(A249560\)}{}% 8
\BOOKMARK [1][-]{section.9}{Partitions into distinct parts \(A249561\)}{}% 9
\BOOKMARK [1][-]{section.10}{Recurrence relations \(A249562 \046 A249563\)}{}% 10
\BOOKMARK [2][-]{subsection.10.1}{A recurrence for A249563}{section.10}% 11
\BOOKMARK [2][-]{subsection.10.2}{A recurrence for A249562}{section.10}% 12
\BOOKMARK [1][-]{section.11}{Avoiding 123}{}% 13