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A063501 Number of prime-sextuplets up to 10^n. +0
1
0, 1, 2, 2, 5, 5, 18, 82, 317, 1613, 8626, 50408 (list; graph; listen)
OFFSET

1,3

LINKS

Index entries for sequences related to numbers of primes in various ranges

EXAMPLE

a(12)=50408 because there are 50408 prime-sextuplets up to 10^12.

CROSSREFS

Cf. A022008, initial members of prime-sextuplets

Sequence in context: A056470 A056471 A083849 this_sequence A103892 A000403 A068763

Adjacent sequences: A063498 A063499 A063500 this_sequence A063502 A063503 A063504

KEYWORD

nonn

AUTHOR

Martin Raab (raab-hausen(AT)t-online.de), Jul 30 2001

EXTENSIONS

2 more terms from Martin Raab (raab-martin(AT)gmx.de), Oct 06 2005

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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