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A048661 Number of n-digit dihedral primes for which the 4 numbers (n, n upside-down, n in a mirror, n upside-down and mirrored) are distinct. +0
1
0, 0, 0, 0, 0, 4, 12, 16, 132, 308 (list; graph; listen)
OFFSET

1,6

LINKS

C. Rivera, Source

CROSSREFS

Cf. A038136.

Sequence in context: A028594 A066632 A038242 this_sequence A036047 A045042 A134860

Adjacent sequences: A048658 A048659 A048660 this_sequence A048662 A048663 A048664

KEYWORD

base,more,nonn

AUTHOR

Felice Russo (felice.russo(AT)katamail.com)

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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