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A037047 Starting at n, "say what you see"; sequence gives number of primes obtained before first composite number appears. 0
1, 0, 1, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 (list; graph; refs; listen; history; internal format)
OFFSET

1,7

LINKS

P. De Geest, World!Of Palindromic Primes

EXAMPLE

1->11(prime)->21(composite), so a(1)=1.

CROSSREFS

Cf. A005150, A036978.

Sequence in context: A127282 A138954 A064530 * A118917 A204293 A206479

Adjacent sequences:  A037044 A037045 A037046 * A037048 A037049 A037050

KEYWORD

nonn,base

AUTHOR

G. L. Honaker, Jr. (honak3r(AT)gmail.com)

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Last modified February 15 02:50 EST 2012. Contains 205694 sequences.