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A046810 Number of anagrams of n that are primes. +0
12
0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 2, 1, 0, 1, 2, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 2, 1, 0, 1, 1, 0, 2, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 2, 1, 0, 1, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 2, 1, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0 (list; graph; listen)
OFFSET

1,13

COMMENT

An anagram of a k-digit number is one of the k! permutations of the digits that does not begin with 0.

EXAMPLE

107 has 2 prime anagrams: 107 and 701 (but not 017 or 071); so a(107) = 2.

CROSSREFS

Cf. A039999.

Sequence in context: A051126 A063933 A085860 this_sequence A039999 A069842 A083056

Adjacent sequences: A046807 A046808 A046809 this_sequence A046811 A046812 A046813

KEYWORD

nonn,easy,base,nice

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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