OFFSET

1,2

COMMENTS

Does lim_{n->infinity} (a(n)-n)/sqrt(n) = 1?

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..10000

EXAMPLE

a(2) = 2 so 2*2 = 4 is not in the sequence. a(4) = 5 so 4*5 = 20 is not in the sequence. There is no n such that n*a(n) = 3, so 3 is in the sequence.

MATHEMATICA

Nest[Append[#, Min@Complement[Range[#[[-1]]*Length@# + 1], #, #*Range@Length@#]] &, {1}, 70] (* Ivan Neretin, Dec 20 2017 *)

CROSSREFS

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Jun 18 2002

EXTENSIONS

Name changed by Franklin T. Adams-Watters, Aug 21 2013

STATUS

approved