The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A269023 Complement of A269020: numbers not of the form ceiling(n^(1+1/n)). 2

%I

%S 2,4,8,19,51,141,392,1079,2957,8072,21987,59825,162695,442342,1202521,

%T 3268920,8885999,24154826,65659826,178482140

%N Complement of A269020: numbers not of the form ceiling(n^(1+1/n)).

%C The limiting ratio is e (see comment in A059921).

%e The term 8 appears because A269020(5)=7 and A269020(6)=9.

%t Complement[Range[1, 100000], Table[Ceiling[n^(1 + 1/n)], {n, 100000}]] (* _Vaclav Kotesovec_, Mar 12 2016 *)

%o (PARI) a269020(n) = ceil(n^(1+1/n))

%o for(n=1, 1e20, if(a269020(n+1)-a269020(n) > 1, print1(a269020(n)+1, ", "))) \\ _Felix FrÃ¶hlich_, Mar 12 2016

%Y Cf. A059921, A269020.

%K nonn,more

%O 1,1

%A _Bob Selcoe_, Feb 18 2016

%E a(18)-a(20) from _Felix FrÃ¶hlich_, Mar 12 2016

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 26 02:43 EDT 2020. Contains 334613 sequences. (Running on oeis4.)