# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a209234 Showing 1-1 of 1 %I A209234 #17 Apr 24 2024 12:29:53 %S A209234 10,110,110111,101110311,101103210311131,101203310311113121231132, %T A209234 101203210411312213120121123431132133, %U A209234 201103104210311512413220421122123331232133134141143,101203204310411412313214115220421222223124431232333134341242143151 %N A209234 A two-digit Look-and-Say sequence starting with 10: each term summarizes the increasing two-digit substrings of the previous term. %H A209234 Reinhard Zumkeller, Table of n, a(n) for n = 0..1000 %H A209234 Eric Weisstein's World of Mathematics, Look and Say Sequence %H A209234 Wikipedia, Look-and-say sequence %H A209234 Reinhard Zumkeller, Haskell program for two-digit Look-and-Say sequences %e A209234 a(0) = 10: 1x10 --> a(1)=110; %e A209234 a(1) = 110: 1x10 and 1x11 --> a(2)=110111; %e A209234 a(2) = 110111: 1x01, 1x10 and 3x11 -> a(3)=101110311; %e A209234 a(3) = 101110311: 1x01, 1x03, 2x10, 3x11 and 1x31 -> a(4)=101103210311131. %o A209234 (Haskell) -- See Link. %Y A209234 Cf. A005151, A047842, A001155. %Y A209234 Cf. A209233 (start=11), A221368 (start=12), A221369 (start=13), A221372 (start=19), A221373 (start=99). %K A209234 nonn,base,look %O A209234 0,1 %A A209234 _Reinhard Zumkeller_, Jan 13 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE