31378

Appears in sequences

• Number of partitions of at most n into at most 5 parts.at n=46A002622
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 50.at n=2A031638
• Number of nonempty subsets S of {1,2,3,...,n} that have the property that no element x of S is a nonnegative integer linear combination of elements of S-{x}.at n=25A103580