A073048 - OEIS

%I #9 Aug 14 2013 03:33:29

%S 5,10,1,191,13,1134,157,1169312,100149391,1016258233,107375450119,

%T 10271593487494

%N Starting term of the first length-n chain of equidigital numbers (A046758).

%D Journal of Recreational Mathematics, 29(2) 138 1998, Solution to Problem 2209 "Equidigital Representation"

%e 13 is in the sequence because prime decompositions of 13 through 17, i.e. 13, 14=2*7, 15=3*5, 16=2^4, 17, use as many digits as their normal decimal representation.

%Y Cf. A046758.

%K hard,more,base,nonn

%O 1,1

%A _Lekraj Beedassy_, Aug 31 2002

%E a(9) corrected and a(11) from _Donovan Johnson_, Jul 30 2010

%E a(12) from _Giovanni Resta_, Aug 14 2013