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
Keywords
Crossrefs
Cf. A174562.
Programs
-
Mathematica
FactorInteger[#][[-1,1]]&/@LinearRecurrence[{0,1,0,1},{2,3,5,2},60] (* Harvey P. Dale, Jul 07 2017 *)
Extensions
More terms from R. J. Mathar, Aug 23 2010