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A052494 Number of different primes that can be formed by permuting digits of n-th prime. 1
1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 3, 2, 3, 3, 2, 4, 1, 3, 3, 3, 3, 4, 2, 2, 2, 4, 3, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 3, 2, 3, 2, 3, 2, 2, 1, 3, 2, 3, 4, 1, 3, 4, 1, 1, 4, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 1, 4, 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 3 (list; graph; refs; listen; history; internal format)
OFFSET

2,6

EXAMPLE

a(75)=4 because the digits in 379 may be arranged to form a total of 4 primes: 379, 397, 739 and 937.

CROSSREFS

A039999, A046810.

Sequence in context: A064892 A083019 A137865 * A039998 A000999 A175921

Adjacent sequences:  A052491 A052492 A052493 * A052495 A052496 A052497

KEYWORD

base,easy,nonn

AUTHOR

Enoch Haga (Enokh(AT)comcast.net), Mar 16 2000

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Last modified February 17 18:57 EST 2012. Contains 206074 sequences.