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A051268 Numbers n such that maximal value of prime divisors of reduced residue system for n is 4. 3
211, 221, 223, 227, 229, 233, 239, 241, 247, 251, 253, 257, 263, 269, 271, 277, 281, 283, 289, 293, 299, 307, 311, 313, 317, 319, 323, 331, 337, 341, 343, 347, 349, 353, 359, 361, 367, 371, 373, 377, 379, 383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

A002110, A006862, A048597, A051250, A051265-A051267.

A008364(n) + 210.

Sequence in context: A064826 A136601 A108406 * A159911 A133959 A133960

Adjacent sequences:  A051265 A051266 A051267 * A051269 A051270 A051271

KEYWORD

nonn

AUTHOR

Labos Elemer

STATUS

approved

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Last modified May 29 16:43 EDT 2017. Contains 287250 sequences.