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!)
A045726 Fibonacci numbers having initial digit '2'. 2

%I #14 Mar 21 2021 01:07:13

%S 2,21,233,2584,28657,2178309,24157817,267914296,2971215073,

%T 20365011074,225851433717,2504730781961,27777890035288,

%U 2111485077978050,23416728348467685,259695496911122585,2880067194370816120

%N Fibonacci numbers having initial digit '2'.

%H Michael De Vlieger, <a href="/A045726/b045726.txt">Table of n, a(n) for n = 1..845</a>

%t Select[Array[Fibonacci, 90], First@ IntegerDigits[#] == 2 &] (* _Michael De Vlieger_, Mar 19 2021 *)

%Y Intersection of A000045 and A217394.

%K nonn,base

%O 1,1

%A _Jeff Burch_

%E a(12) corrected by _Sean A. Irvine_, Mar 19 2021

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 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)