66898

Appears in sequences

• Number of convex functions from {1,...,n} to itself.at n=12A134968
• Number of binary words of length n with exactly twice as many occurrences of subword 101 as occurrences of subword 010.at n=19A303430
• Least number k such that the determinant of the circulant matrix formed by its decimal digits is equal to n.at n=37A306593