A273919 Number of 9-tuples of primes in arithmetic progression less than 10^n.

0, 0, 0, 3, 57, 984, 22551

Offset

1,4

References

See A113827.

Links

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

Example

The least 9-tuple is {199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879}, which is also the beginning of the least 10-tuple. This explains a(n)=0 for n<4.

Crossrefs

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

Cf. A005115, A115608, A115609, A115610, A115611, A115612, A115613, A273920, A273921, A273922, A273923.

Sequence in context: A060483 A262127 A139746 * A157929 A053725 A053774

Adjacent sequences: A273916 A273917 A273918 * A273920 A273921 A273922

Keyword

nonn,hard,more

Author

Jean-Marc Rebert, Jun 04 2016

Status

approved