A049065 Record primes reached in A048986.

2, 3, 31, 179, 12007, 1564237, 17320726789571, 401278664296369, 576312045441408907, 37246812772043701411753149215934377, 3690727229000499480592573891534356177653018575120050845976045596834749951228879

Offset

1,1

Comments

The value 37246812772043701411753149215934377 is the base-2 home prime for 922 and occurs after 66 steps. The value 3690727229000499480592573891534356177653018575120050845976045596834749951228879 is the base-2 home prime for 1345 and occurs after 131 steps. The next term (home prime for 2295) contains at least 124 digits. Computation of further terms involves large factorizations. - Sean A. Irvine, Aug 04 2005 [corrected Jul 17 2021]

Links

Table of n, a(n) for n=1..11.

Patrick De Geest, Home Primes

Crossrefs

Cf. A056938, A037271-A037276, A048985, A048986, A049065.

Sequence in context: A344736 A347332 A054551 * A274609 A372142 A128030

Adjacent sequences: A049062 A049063 A049064 * A049066 A049067 A049068

Keyword

nonn,nice,base

Author

Michael B Greenwald (mbgreen(AT)central.cis.upenn.edu)

Extensions

a(10)-a(11) from Sean A. Irvine, Aug 04 2005

a(10) corrected by Sean A. Irvine, Jul 17 2021

Status

approved