A108402 Largest prime factor of A023199(n).

3, 5, 11, 17, 29, 53, 89, 157, 271, 487, 857, 1487, 2621, 4567, 8011, 13999, 24499, 42901, 75401, 132169, 231431, 406207, 711617, 1247761, 2186941

Offset

2,1

Links

Table of n, a(n) for n=2..26.

Crossrefs

Cf. A023199.

Sequence in context: A129694 A147015 A147023 * A090795 A087732 A278053

Adjacent sequences: A108399 A108400 A108401 * A108403 A108404 A108405

Keyword

nonn

Author

Ed Pegg Jr, Jul 04 2005; revised Jul 05 2005

Extensions

271 from Bodo Zinser and Don Reble, Jul 05 2005

857 from Don Reble, Jul 05 2005

1487, 2621, 4561, 8011, 13999 from T. D. Noe, Oct 06 2005

a(15) corrected and sequence extended to a(26) by T. D. Noe, Oct 13 2009

Status

approved