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A178552 Primes with exactly three 3's. 5
2333, 3313, 3323, 3331, 3343, 3373, 3433, 3533, 3733, 3833, 5333, 7333, 10333, 13033, 13313, 13331, 13337, 13339, 13633, 13933, 16333, 17333, 19333, 20333, 23339, 23633, 23833, 29333, 30133, 30313, 30323, 31033, 31337, 31393, 32233, 32303, 32323 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A038618, A178550, A178551, A178553-A178558.

Sequence in context: A309672 A238175 A203344 * A166581 A237387 A212466

Adjacent sequences:  A178549 A178550 A178551 * A178553 A178554 A178555

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, May 29 2010

EXTENSIONS

Missing a(26) = 23633 and a(27) = 23833 inserted by Daniel Starodubtsev, Mar 14 2020

STATUS

approved

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Last modified May 24 19:38 EDT 2022. Contains 354043 sequences. (Running on oeis4.)