1,1

Table of n, a(n) for n=1..71.

Select[Range[100], CompositeQ[#^5-#-1]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 18 2019 *)

Cf. A126427 (Numbers n for which n^5-n-1 is prime).

Sequence in context: A005050 A120191 A059983 * A269101 A037366 A047551

Adjacent sequences: A177103 A177104 A177105 * A177107 A177108 A177109

nonn

Vincenzo Librandi, Jun 25 2010

approved