# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a113730 Showing 1-1 of 1 %I A113730 #4 Mar 02 2015 16:08:50 %S A113730 1,2,3,3,5,5,5,4,4,4,6,6,6,6,6,7,7,7,7,7,8,8,8,8,8,9,9,9,9,10,10,10, %T A113730 10,11,11,11,11,38,38,38,38,38,38,37,37,37,37,37,37,36,36,36,36,36,36, %U A113730 35,35,35,35,35,35,34,34,34,34,34,34,34,33,33,33,33,33,33,33,32,32,32,32 %N A113730 A variant of Golomb's sequence interpreted as a triangle: Start with a(1)=1 as first row, filled from left to right; fill row n+1 with the natural numbers continuing from row n in alternating order, with multiplicity according to the numbers given in row n in alternating order. %e A113730 The triangle begins %e A113730 1; %e A113730 2; %e A113730 3,3; %e A113730 5,5,5,4,4,4; %e A113730 6,6,6,6,6,7,7,7,7,7,8,8,8,8,8,9,9,9,9,10,10,10,10,11,11,11,11; %e A113730 38,38,38,38,38,38,...,13,12,12,12,12,12,12,12,12,12,12,12; %e A113730 From row 4 [5,5,5,4,4,4] which was filled from right to left we fill row 4 %e A113730 from left to right with (5) times a 6 and (5) times a 7, (5) times an 8, (4) %e A113730 times a 9, (4) times a 10 and (4) times an 11. %Y A113730 Cf. A001462 (Golomb's sequence), A113676, A113731, A113734. %K A113730 nonn,tabf %O A113730 1,2 %A A113730 _Floor van Lamoen_ and _Paul D. Hanna_, Nov 08 2005 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE