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A055381
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Smallest number such that there are n symmetric (in the gap sense) primes on each side.
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3
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OFFSET
| 1,1
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EXAMPLE
| The three primes on each side of 12 (13, 17, 19 and 11, 7, 5) are symmetrical with respect to the gaps, so a(3) = 12.
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CROSSREFS
| Cf. A001223, A055380, A055382.
Sequence in context: A069082 A179808 A083351 * A174911 A032820 A197615
Adjacent sequences: A055378 A055379 A055380 * A055382 A055383 A055384
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KEYWORD
| more,nonn
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AUTHOR
| Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Jun 23 2000
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EXTENSIONS
| a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Mar 09 2008
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