A045933 Numbers n such that n through n+4 are divisible by the same number of distinct primes.

54, 91, 92, 115, 141, 142, 143, 144, 158, 205, 212, 213, 214, 215, 295, 301, 323, 324, 325, 391, 535, 685, 721, 799, 1135, 1345, 1465, 1535, 1711, 1941, 1981, 2101, 2215, 2302, 2303, 2304, 2425, 2641, 2664, 2714, 3865, 3912, 4411, 5450, 5461, 6354, 6505

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Mathematica

SequencePosition[PrimeNu[Range[7000]], {x_, x_, x_, x_, x_}][[All, 1]] (* Harvey P. Dale, Jun 13 2022 *)

Crossrefs

Cf. A001221, A006049, A006073, A045932, A045934-A045938.

Sequence in context: A243542 A290146 A071863 * A088986 A259717 A118150

Adjacent sequences: A045930 A045931 A045932 * A045934 A045935 A045936

Keyword

nonn

Author

David W. Wilson

Status

approved