A063501 - OEIS

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A063501

Number of prime-sextuplets up to 10^n.

1

0, 1, 2, 2, 5, 5, 18, 82, 317, 1613, 8626, 50408, 303828, 1911246, 12432129, 83217782, 571314626

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OFFSET

1,3

LINKS

Table of n, a(n) for n=1..17.

Norman Luhn, PI_6(10^n)

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: A083849 A326512 A325983 * A103892 A000403 A068763

Adjacent sequences: A063498 A063499 A063500 * A063502 A063503 A063504

KEYWORD

nonn,more

AUTHOR

Martin Raab, Jul 30 2001

EXTENSIONS

2 more terms from Martin Raab, Oct 06 2005

a(17) from Norman Luhn, Nov 08 2021

STATUS

approved