28174

Appears in sequences

• Number of unrooted unlabeled connected triangular maps on a compact closed oriented surface with 2n faces (and thus 3n edges).at n=5A129114
• Composite numbers having the same digits as their prime factors (with multiplicity), excluding zero digits.at n=5A176670
• Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 3.at n=13A221316