A050992 4-Knödel numbers.

6, 8, 12, 16, 20, 24, 28, 40, 44, 48, 52, 60, 68, 76, 80, 92, 112, 116, 120, 124, 148, 154, 164, 172, 188, 208, 212, 236, 240, 244, 264, 268, 280, 284, 292, 316, 332, 340, 356, 364, 388, 404, 412, 428, 436, 452, 508, 520, 524, 548, 556, 596, 604, 628, 652

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Knödel Numbers.

Mathematica

Select[Range[6, 1000, 2], Divisible[# - 4, CarmichaelLambda[#]]&] (* Jean-François Alcover, Mar 01 2018 *)

Crossrefs

Cf. A002997, A050990, A033553, A050993, A208154-A208158.

Sequence in context: A338370 A194409 A115166 * A372011 A090259 A089241

Adjacent sequences: A050989 A050990 A050991 * A050993 A050994 A050995

Keyword

nonn

Author

Eric W. Weisstein

Status

approved