A023378 a(n+1) = a(n) converted to base 10 from base 4 (written in base 10); a(1)=4.
4, 10, 22, 112, 1300, 110110, 122320132, 13102213110010, 2332222120300201203322, 133212320111123130111021311111121322, 12122133133313032110200332320320202022333020121323230212222
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..16
Programs
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Mathematica
NestList[FromDigits[IntegerDigits[#, 4]]&, 4, 10] (* Vincenzo Librandi, Apr 19 2014 *)