201630

Appears in sequences

• Smallest j with n nodes in its riff (rooted index-functional forest).at n=20A062860
• Integers which have more than one coprime factorization into nonprime powers which sum to the same number.at n=24A072940
• Smallest number beginning with 2 that is the product of exactly n distinct primes.at n=5A106412
• Sum of all parts of all partitions of n that do not contain 1 as a part.at n=38A138880
• Sum of parts in all partitions of 2n+1 that do not contain 1 as a part.at n=19A182737
• Matula-Goebel numbers of transitive rooted identity trees (or transitive finitary sets).at n=39A290760
• a(n) is the smallest integer k such that A384854(k) = n.at n=7A385100