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!)
A127023 Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that ceiling(f(n)) - f(n) < 1/10^4. 11

%I #8 Sep 04 2017 19:27:33

%S 37,58,67,163,232,719,1169,1467,4075,5773,19183,33563,65477,67893,

%T 68996,70273,81194,90857,106194,112070,117434,120332,122456,133074,

%U 167196,210500,226081,254883,261084,263987,270154,281128,298455,301487,313447,321349,325779

%N Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that ceiling(f(n)) - f(n) < 1/10^4.

%t a = {}; Do[If[(1 - (Exp[Pi Sqrt[x]] - Floor[Exp[Pi Sqrt[x]]]) > 0) && (1 - ( Exp[Pi Sqrt[x]] - Floor[Exp[Pi Sqrt[x]]])< 10^(-4)), AppendTo[a, x]], {x, 1, 1000}]; a

%Y Cf. A035484, A127022, A127024, A127025.

%K nonn

%O 1,1

%A _Artur Jasinski_, Jan 03 2007

%E a(9)-a(37) from _Jon E. Schoenfield_, Sep 04 2017

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 24 08:43 EDT 2024. Contains 371927 sequences. (Running on oeis4.)