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A156987 Primes using all the prime digits 2, 3, 5, 7 repeated in strings, in that order. 0
2357, 23357, 23557, 223577, 233357, 233557, 235577, 2235557, 2335577, 2355557, 22223557, 22233577, 22333357, 22335557, 22355777, 23333357, 222223357, 222233357, 222235777, 222333557, 222355577, 223335577, 223577777, 233357777 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

A153771

Sequence in context: A108419 A073037 A160403 * A101251 A132904 A030473

Adjacent sequences:  A156984 A156985 A156986 * A156988 A156989 A156990

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Feb 20 2009

EXTENSIONS

Missing values inserted by R. J. Mathar, Mar 06 2009

STATUS

approved

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Last modified January 25 19:09 EST 2020. Contains 331249 sequences. (Running on oeis4.)