A071369 Numbers n such that n+0, n+1, ... and n+6 are, in some order, 1 * a prime, 2 * a prime, ... and 7 * a prime.

2914913, 5516281, 6618241, 9018353, 10780553, 18164161, 20239913, 45652313, 51755761, 62198633, 81235441, 91986833, 158764313, 175472641, 191010953, 197375753, 215206201, 322030801, 322461713, 362007353, 513284401, 668745001

Offset

1,1

Links

Table of n, a(n) for n=1..22.

Example

2914913 is there because 2914913=1*2914913, 2914914=6*485819, 2914915=5*582983, 2914916=4*728729, 2914917=3*971639, 2914918=2*1457459 and 2914919=7*416417. The left factors are the integers 1 to 7; and the right factors are primes.

Crossrefs

Cf. A071367 - A071373.

Sequence in context: A251247 A205292 A205900 * A238179 A205095 A233652

Adjacent sequences: A071366 A071367 A071368 * A071370 A071371 A071372

Keyword

nonn

Author

Don Reble, May 21 2002

Status

approved