A068370 Numbers n such that positive values of n-(k!) are all primes (k>1).

2, 4, 5, 9, 13, 19, 43, 85, 103, 133, 403, 763, 943, 1573, 1603, 2713, 5233, 26023, 37363, 177133, 186043, 276043, 277603, 305863, 968833, 1449313, 1540033, 5854363, 6013873, 26114323, 35088793, 291865753, 724927333, 352028148883, 850717265263

Offset

1,1

Comments

Is the sequence finite? - Mauro Fiorentini, Jun 01 2017

If a(36) exists, it is larger than 4.5*10^13. - Giovanni Resta, Jun 26 2017

Links

Table of n, a(n) for n=1..35.

Crossrefs

Cf. A068371.

Sequence in context: A348176 A325716 A068372 * A364467 A357488 A060167

Adjacent sequences: A068367 A068368 A068369 * A068371 A068372 A068373

Keyword

nonn

Author

Naohiro Nomoto, Mar 01 2002

Extensions

a(30)-a(33) from Mauro Fiorentini, Jun 01 2017

a(34) from Giovanni Resta, Jun 02 2017

a(35) from Giovanni Resta, Jun 26 2017

Status

approved