A115612 Number of 7-tuples of primes in arithmetic progression less than 10^n.

0, 0, 1, 32, 959, 25018, 793022

Offset

1,4

References

See A113827

Links

Table of n, a(n) for n=1..7.

Example

The least 7-tuple is {7,157,307,457,607,757,907}.

Crossrefs

Cf. A113827 (prime beginning minimal n-tuple of primes in AP), A115608-A115613.

Sequence in context: A067820 A263818 A220743 * A281342 A298285 A299357

Adjacent sequences: A115609 A115610 A115611 * A115613 A115614 A115615

Keyword

nonn

Author

T. D. Noe, Jan 25 2006

Status

approved