41111

Appears in sequences

• Composite numbers k such that sigma(k)*phi(k) + 2*(k+1) is a square.at n=2A065656
• n followed by n 1's.at n=3A075858
• a(n) is the next available entirely straight or curved number, depending on whether n contains a straight digit or not.at n=40A079064
• Numbers k such that the "inventory" A063850 of k is a palindrome.at n=25A079466
• LookAndSay(n) is palindromic.at n=14A079676
• Lunar fourth powers: n*n*n*n, where * is lunar multiplication.at n=41A087051
• Numbers n that are divisible by d, where a_i for 1 <= i <= k are the digits of n and d = Product_{i=1..k}Sum_of_digits_of_(a_i^k).at n=26A128870
• Any two consecutive digits in the sequence sum up to a prime.at n=40A158652
• Numbers with digital product = 4.at n=34A199987
• Composite numbers whose product of digits is 4.at n=27A201016
• Number of (n+1) X (4+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.at n=35A253393
• Positive numbers n such that (digitsum(n))^2 equals (product of digits(n))^3.at n=5A261778
• Number of integer partitions of n without an alternating permutation.at n=48A345165