This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A068743 #14 May 18 2024 15:19:50 %S A068743 0,1,2,11,3,21,111,4,22,31,211,1111,5,32,41,221,311,2111,11111,6,33, %T A068743 42,51,222,321,411,2211,3111,21111,111111,7,43,52,61,322,331,421,511, %U A068743 2221,3211,4111,22111,31111,211111,1111111,8,44,53,62,71,332,422,431,521 %N A068743 Digitized partition numbers: numbers with (weakly) decreasing digits ordered by sum of their digits then by the numbers themselves. %C A068743 a(97) cannot be written in decimal since it requires ten to be written as a single digit. %H A068743 Harvey P. Dale, <a href="/A068743/b068743.txt">Table of n, a(n) for n = 0..2500</a> [a(2088) corrected by Sean A. Irvine] %H A068743 <a href="/index/Par#part">Index entries for sequences related to partitions</a> %e A068743 The partitions of 6 are 6, 5+1, 4+2, 4+1+1, 3+3, 3+2+1, 3+1+1+1, 2+2+2, 2+2+1+1, 2+1+1+1+1, 1+1+1+1+1+1; removing the + signs gives 6, 51, 42, 411, 33, 321, 3111, 222, 2211, 21111, 111111; ordering these by size gives 6, 33, 42, 51, 222, 321, 411, 2211, 3111, 21111, 111111 as part of the sequence. %t A068743 Table[Sort[FromDigits[Flatten[IntegerDigits/@#]]&/@IntegerPartitions[n]],{n,0,20}]//Flatten (* _Harvey P. Dale_, May 18 2024 *) %Y A068743 Cf. A060002 which writes the partitions with smallest digit first, number of values of a(n) with a digit sum of k is A000041, number of values of a(n) with a digit sum of k and m digits is A008284, a(A000070(n))=n+1 written as a single digit, a(A026905(n))=A000042(n). %K A068743 base,nonn %O A068743 0,3 %A A068743 _Henry Bottomley_, Feb 27 2002