Search: id:A138480
Results 1-1 of 1 results found.

%I A138480
%S A138480 1210,2020,21200,3211000,42101000,521001000,6210001000,72100001000,
%T A138480 821000001000,9210000001000
%N A138480 Auto-biographical 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 A138480 E. Angelini, "Jeux de suites", in Dossier Pour La Science, pp. 32-35, 
               Volume 59 (Jeux math'), April/June 2008, Paris.
%e A138480 72100001000 has 7 digits equal to "0", 2 digits equal to "1", 1 digit 
               each "2" and "7" and no other digits.
%Y A138480 Cf. Autobiographical numbers up to 10 digits: A046043. Mutually-praising 
               pairs: A138481 and A138482.
%Y A138480 Sequence in context: A068534 A135239 A046043 this_sequence A047627 A047626 
               A105311
%Y A138480 Adjacent sequences: A138477 A138478 A138479 this_sequence A138481 A138482 
               A138483
%K A138480 base,fini,full,nonn
%O A138480 1,1
%A A138480 Martin Fuller (martin_n_fuller(AT)btinternet.com), Mar 20 2008

Search completed in 0.001 seconds