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A184857 Numbers k such that floor(k*e/(e-1)) is prime. 0
2, 5, 7, 11, 15, 20, 24, 26, 30, 34, 39, 45, 50, 53, 64, 68, 69, 72, 83, 87, 88, 96, 106, 115, 121, 122, 125, 126, 134, 141, 144, 145, 159, 163, 178, 179, 197, 198, 201, 221, 227, 232, 236, 240, 246, 251, 254, 259, 265, 273, 274, 278, 284, 289, 292, 293, 303, 308, 311, 316, 318, 322, 331, 342, 346, 356, 360, 361, 365, 375, 379, 380, 384, 388, 399, 407, 409, 413, 417, 418, 426, 428, 432, 437, 455, 460, 470, 475, 479, 489, 498, 504, 512, 513, 519, 523, 542, 543, 546, 555, 557, 561, 576, 581, 595, 599 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..106.

EXAMPLE

See A077545.

MATHEMATICA

(See A077545.)

Select[Range[600], PrimeQ[Floor[# E/(E-1)]]&]  [From Harvey P. Dale, Jan. 25, 2011]

CROSSREFS

Cf. A077545, A184856, A184858.

Sequence in context: A157001 A134640 A216094 * A032616 A006066 A084935

Adjacent sequences:  A184854 A184855 A184856 * A184858 A184859 A184860

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 23 2011

STATUS

approved

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Last modified February 22 04:03 EST 2018. Contains 299428 sequences. (Running on oeis4.)