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A045940 Numbers n such that factorizations of n through n+3 have same number of primes (including multiplicities). 8
602, 603, 1083, 2012, 2091, 2522, 2523, 2524, 2634, 2763, 3243, 3355, 4023, 4202, 4203, 4921, 4922, 4923, 5034, 5035, 5132, 5203, 5282, 5283, 5785, 5882, 5954, 5972, 6092, 6212, 6476, 6962, 6985, 7314, 7730, 7731, 7945, 8393, 8825, 8956, 8972, 9162 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Zak Seidov, Table of n, a(n) for n = 1..3356, a(n)<10^6

MATHEMATICA

f[n_]:=Plus@@Last/@FactorInteger[n]; lst={}; lst={}; Do[If[f[n]==f[n+1]==f[n+2]==f[n+3], AppendTo[lst, n]], {n, 0, 8!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), May 12 2010]

CROSSREFS

Sequence in context: A078966 A094231 A107440 * A124057 A045941 A069473

Adjacent sequences:  A045937 A045938 A045939 * A045941 A045942 A045943

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 23 02:42 EST 2012. Contains 206606 sequences.