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!)
A115538 Numbers k such that k^2 is the concatenation of two numbers 4*m and m. 0

%I

%S 84210526316,105263157895,126315789474,147368421053,168421052632,

%T 189473684211,114285714285714286,171428571428571429,

%U 7058823529411764705882352941176470588235294117647059

%N Numbers k such that k^2 is the concatenation of two numbers 4*m and m.

%e 84210526316^2 = 70914127424_17728531856.

%Y Cf. A102567, A106497, A115527 - A115556.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Jan 25 2006

%E Definition modified by _Georg Fischer_, Jul 26 2019

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 August 13 08:18 EDT 2022. Contains 356079 sequences. (Running on oeis4.)