31305

Appears in sequences

• Numbers whose set of base-13 digits is {1,3}.at n=36A032920
• Numbers n for which there are exactly six k such that n = k + (product of nonzero digits of k).at n=22A096927
• a(n) is the first occurrence of n in sequence A209266.at n=31A211389
• Number of partitions p of n such that the number of parts is a part or max(p) - min(p) is a part.at n=46A241386
• Number of length 2+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=13A249708