The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A045932 Numbers n such that n through n+3 are divisible by the same number of distinct primes. 11
 2, 33, 54, 55, 74, 85, 91, 92, 93, 115, 116, 133, 141, 142, 143, 144, 145, 158, 159, 175, 200, 205, 206, 212, 213, 214, 215, 216, 247, 295, 296, 301, 302, 323, 324, 325, 326, 332, 391, 392, 422, 445, 451, 535, 536, 542, 565, 632, 685, 686, 721, 722, 799, 800 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 MATHEMATICA Transpose[Select[Partition[Range[900], 4, 1], Length[Union[PrimeNu[#]]] == 1&]][[1]] (* Harvey P. Dale, Apr 12 2013 *) CROSSREFS Cf. A001221, A006049, A006073, A045933-A045938. Sequence in context: A042251 A316736 A199551 * A048783 A116340 A003347 Adjacent sequences: A045929 A045930 A045931 * A045933 A045934 A045935 KEYWORD nonn AUTHOR David W. Wilson STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 13 18:32 EDT 2024. Contains 375144 sequences. (Running on oeis4.)