111278

Appears in sequences

• Semi-meanders: number of ways a semi-infinite directed curve can cross a straight line n times.at n=13A000682
• Number of ways to partition n elements into pie slices of different sizes.at n=40A032153
• Irregular triangle read by rows: for n >= 2, 2 <= k <= floor(n/2) + 1, T(n,k) = the number of semi-meanders with n top arches, a first arch of length one and k arch groupings.at n=56A339179
• Irregular triangle read by rows: for n >= 2, 2 <= k <= floor(n/2) + 1, T(n,k) = the number of semi-meanders with n top arches, a first arch of length one and k arch groupings.at n=57A339179
• Numbers m such that A010888(m) = A031347(m) = A031286(m) = A031346(m); only the least of the anagrams are considered.at n=4A357131