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A140364 Values of e such that A139767 is 2. 2
7, 9, 17, 23, 25, 27, 39, 41, 43, 47, 55, 71, 79, 81, 87, 95, 97, 103, 109, 111, 113, 121, 125, 137, 143, 157, 159, 167, 169, 183, 187, 191, 193, 199, 209, 229, 239, 243, 247, 251, 263, 271, 277, 281, 283, 289, 291, 295, 303, 307, 311, 313, 319, 323, 335, 353, 359, 361, 367 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Can these numbers be described in any other way?

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..292

CROSSREFS

Sequence in context: A145830 A195563 A250292 * A022321 A194830 A183344

Adjacent sequences:  A140361 A140362 A140363 * A140365 A140366 A140367

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 16 2008

STATUS

approved

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Last modified August 7 23:50 EDT 2022. Contains 355995 sequences. (Running on oeis4.)