24523

Appears in sequences

• Numerators in expansion of exp(exp(x)-1)/(2-x).at n=7A058815
• Composite numbers not divisible by 2 or 3 which in base 3 contain their largest proper factor as a substring.at n=21A063132
• Smallest composite number in base n which contains its largest proper factor as a substring.at n=25A063248
• a(n) = p(n)*p(n+1)*(p(n+1) - p(n)) + 1, where p(n) = prime(n).at n=17A383242