26313

Appears in sequences

• Number of n-element posets which are unions of 2 chains.at n=11A006251
• Number of ways to partition n labeled elements into pie slices of different odd sizes.at n=13A032145
• Number of -n..n arrays x(0..4) of 5 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative.at n=10A199900
• Number of 0..n arrays x(0..3) of 4 elements with nondecreasing average value and 0..n occur with instance counts within one of each other.at n=21A200943
• Sum of column entries of the table with rows of prime numbers (2,3,0,0,...), (0,5,7,11,0,...), (0,0,13,17,19,23,0,...), (0,0,0,29,31,37,41,43,0,...), ...at n=28A238760
• Numbers k such that k!! - 32 is prime.at n=12A262772
• Number of integer compositions of n whose parts have weakly decreasing numbers of prime factors (with multiplicity).at n=25A358335