login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A165776 n + (least square > n), i.e., n + A048761(n+1). 1

%I #3 Jul 14 2012 11:32:32

%S 1,5,6,7,13,14,15,16,17,25,26,27,28,29,30,31,41,42,43,44,45,46,47,48,

%T 49,61,62,63,64,65,66,67,68,69,70,71,85,86,87,88,89,90,91,92,93,94,95,

%U 96,97,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,145,146

%N n + (least square > n), i.e., n + A048761(n+1).

%F a(n) = A001477(n) + A048761(n+1)

%e a(4)= 13 = 4+9 because 9 is the least square > 4.

%o (PARI) A165776(n)=n+(sqrtint(n)+1)^2

%Y Cf. A165775.

%K easy,nonn

%O 0,2

%A _M. F. Hasler_, Oct 05 2009

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)