331177

Appears in sequences

• a(n) = C(n,a)+C(n,b)+C(n,c)... where n = abc... are the decimal digits of n.at n=35A111696
• A diagonal of rectangular table A208896: a(n) = A208896(n+2,n).at n=7A208898
• Numbers such that the minimum distance between divisors of n occurs only between composite numbers.at n=16A253266
• a(n) = n! * Sum_{k=0..n} (-n)^(n-k) * binomial(n+k,n)/(n-k)!.at n=7A383379