111311

Appears in sequences

• Numbers with multiplicative digital root value 3.at n=17A034050
• Number of orbits of length n under a map whose periodic points are counted by A027306.at n=21A060172
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 10000-11100-00111-00001 pattern in any orientation.at n=13A147383
• Smallest number appearing exactly n times in the concatenation of all integers from 1 to itself.at n=8A176779
• Composite numbers with digital product = 3.at n=8A199982
• Number of arrays of median of three adjacent elements of some length n+2 0..6 array, with no adjacent equal elements in the latter.at n=6A229010
• Number of arrays of median of three adjacent elements of some length 9 0..n array, with no adjacent equal elements in the latter.at n=5A229017
• Maximal nonempty {1,3}-chunks of a 4-day-old string in a "Look and Say" sequence.at n=26A244047