A063501 Number of prime-sextuplets up to 10^n.

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

Offset: 1

Author

Martin Raab, Jul 30 2001

Keywords

• nonn
• more

Examples

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

Links

• Norman Luhn, PI_6(10^n)
• Index entries for sequences related to numbers of primes in various ranges

Crossrefs

Cf. A022008 (initial members of prime-sextuplets).

Extensions

2 more terms from Martin Raab, Oct 06 2005

a(17) from Norman Luhn, Nov 08 2021