A124368 Largest prime < 1000000*a(n-1), a(1)=2.

2, 1999993, 1999992999889, 1999992999888999961, 1999992999888999960999949, 1999992999888999960999948999991, 1999992999888999960999948999990999917, 1999992999888999960999948999990999916999963, 1999992999888999960999948999990999916999962999947

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Mathematica

NestList[NextPrime[1000000#, -1]&, 2, 10] (* Harvey P. Dale, Jul 21 2021 *)

Crossrefs

Cf. A124262, A126031.

Sequence in context: A303433 A253264 A375866 * A272238 A303255 A322096

Adjacent sequences: A124365 A124366 A124367 * A124369 A124370 A124371

Keyword

nonn

Author

Artur Jasinski, Dec 16 2006

Extensions

a(9) from Pontus von Brömssen, Jan 15 2025

Status

approved