17301504

Appears in sequences

• a(n) = n*(n-1)^4/2.at n=33A019583
• a(n) is the least number having sum of digits n in base 10 and also exactly n prime factors (counted with multiplicity).at n=19A113758
• Consider the Post tag system defined in A284116; a(n) = number of binary words of length n which terminate at the empty word.at n=25A289670