login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A138480 Autobiographical numbers: the first digit specifies how many 0 in the number, the next digit specifies how many 1, etc. This version is not limited to 10 digits. 4

%I

%S 1210,2020,21200,3211000,42101000,521001000,6210001000,72100001000,

%T 821000001000,9210000001000

%N Autobiographical numbers: the first digit specifies how many 0 in the number, the next digit specifies how many 1, etc. This version is not limited to 10 digits.

%D E. Angelini, "Jeux de suites", in Dossier Pour La Science, pp. 32-35, Volume 59 (Jeux math'), April/June 2008, Paris.

%e 72100001000 has 7 digits equal to "0", 2 digits equal to "1", 1 digit each "2" and "7" and no other digits.

%Y Autobiographical numbers up to 10 digits: A046043. Mutually-praising pairs: A138481 and A138482.

%K base,fini,full,nonn

%O 1,1

%A _Martin Fuller_, Mar 20 2008

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 21 00:17 EDT 2019. Contains 327252 sequences. (Running on oeis4.)