A176195 Largest prime factor of A174562(n).

2, 3, 5, 2, 7, 5, 3, 7, 19, 3, 31, 19, 5, 31, 3, 5, 131, 3, 53, 131, 7, 53, 37, 7, 449, 37, 1453, 449, 2351, 1453, 317, 2351, 1231, 317, 433, 1231, 1151, 433, 2897, 1151, 42187, 2897, 3413, 42187, 5813, 3413, 839, 5813, 144577, 839, 6983, 144577, 503, 6983, 991, 503, 1981891

Offset

1,1

Links

Table of n, a(n) for n=1..57.

Mathematica

FactorInteger[#][[-1, 1]]&/@LinearRecurrence[{0, 1, 0, 1}, {2, 3, 5, 2}, 60] (* Harvey P. Dale, Jul 07 2017 *)

Crossrefs

Cf. A174562.

Sequence in context: A165911 A354764 A096062 * A231233 A174562 A224382

Adjacent sequences: A176192 A176193 A176194 * A176196 A176197 A176198

Keyword

nonn

Author

Giovanni Teofilatto, Apr 11 2010

Extensions

More terms from R. J. Mathar, Aug 23 2010

Status

approved