53242

Appears in sequences

• a(n) = T(7,n), array T given by A047858.at n=12A048468
• Row sums of Clark's triangle A046902.at n=13A100206
• Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(-,0,4,0)(x).at n=6A213160
• Number of compositions (ordered partitions) of n into prime parts that do not divide n.at n=31A300703
• Maximal number of coalescent histories among non-matching pairs consisting of a caterpillar gene tree and a caterpillar species tree with n+2 leaves.at n=9A306295
• Number of compositions (ordered partitions) of n into two or more primes.at n=31A348324
• Triangle read by rows: T(n,k) is the number of labeled semigroups with n elements whose center contains k elements.at n=15A391157
• Number of labeled semigroups with n elements and empty center.at n=5A391158