380480345

Appears in sequences

• a(n) is minimal such that prime factorizations of a(n), ..., a(n)+n-1 have same exponents.at n=5A034173
• Triangle read by rows in which the n-th row gives the smallest set of n consecutive numbers with the same prime signatures.at n=15A083785
• Square array read by antidiagonals: a(n, d) is the smallest number that begins an arithmetic progression with common difference d of n numbers with the same prime signature.at n=15A113456
• First of a run of 6 consecutive numbers with same prime signature.at n=0A218455