109947

Appears in sequences

• Number of nonequivalent dissections of a polygon into n heptagons by nonintersecting diagonals up to rotation and reflection.at n=7A005419
• The number of permutations of length n sortable by 2 reversals.at n=29A228396
• Number of ways to write n as an ordered sum of 6 prime powers (including 1).at n=34A341135