A066269 Indices of primes in A066268.

2, 3, 33

Offset

1,1

Comments

The 33rd term, prime 16268...99999, contains 759 digits.

Next term is bigger than 150. - Stefan Steinerberger, May 06 2007

Links

Table of n, a(n) for n=1..3.

C. Rivera, Primorial product numbers

Eric Weisstein's World of Mathematics, Primorial

Mathematica

Select[Range[65], PrimeQ[Product[Product[Prime[i], {i, 1, n}], {n, 1, #}]-1]&] (* Stefan Steinerberger, Apr 12 2006 *)

Crossrefs

Cf. A066266, A066267, A066268, A002110, A006939, A006794.

Sequence in context: A277481 A079883 A358041 * A376557 A083785 A046487

Adjacent sequences: A066266 A066267 A066268 * A066270 A066271 A066272

Keyword

nonn,hard,more,bref

Author

Patrick De Geest, Dec 16 2001

Extensions

Offset changed from 0 to 1 by Harry J. Smith, Feb 08 2010

Status

approved