A124361 Largest prime < 1000*a(n-1), a(1)=2.

2, 1999, 1998991, 1998990991, 1998990990979, 1998990990978973, 1998990990978972953, 1998990990978972952981, 1998990990978972952980973, 1998990990978972952980972937, 1998990990978972952980972936953, 1998990990978972952980972936952943, 1998990990978972952980972936952942969

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Mathematica

NestList[NextPrime[1000#, -1]&, 2, 11]  (* Harvey P. Dale, Feb 07 2011 *)

Crossrefs

Cf. A124262, A126031.

Sequence in context: A238119 A177188 A125635 * A166339 A368214 A024034

Adjacent sequences: A124358 A124359 A124360 * A124362 A124363 A124364

Keyword

nonn

Author

Artur Jasinski, Dec 16 2006

Extensions

a(12)-a(13) from Pontus von Brömssen, Jan 15 2025

Status

approved