A072484 - OEIS

%I #19 Feb 03 2021 07:40:53

%S 1,2,12,3,13,23,4,14,24,34,5,15,25,35,45,6,16,26,36,46,56,7,17,27,37,

%T 47,57,67,8,18,28,38,48,58,68,78,9,19,29,39,49,59,69,79,89,10,100,101,

%U 102,103,104,105,106,107,108,11,110,111,112,113,114,115,116,117,118

%N Triangle in which the n-th row contains the n smallest numbers containing the string of digits of n in increasing order.

%H Rémy Sigrist, <a href="/A072484/b072484.txt">Table of n, a(n) for n = 1..10011</a>

%H Rémy Sigrist, <a href="/A072484/a072484.pl.txt">Perl program for A072484</a>

%F T(n, k) = A293869(n, k) for any n > 0 and k = 1..n. - _Rémy Sigrist_, Jan 29 2021

%e The triangle begins

%e 1

%e 2 12

%e 3 13 23

%e 4 14 24 34

%e .....

%e The 13th row is 13,113,130,131,132,133,134,135,136,137,138,139,213

%o (Perl) See Links section.

%Y Cf. A072483, A072485, A293869, A337918.

%K base,nonn,tabl

%O 1,2

%A _Amarnath Murthy_, Jul 07 2002

%E Edited by _T. D. Noe_, Apr 23 2009

%E Example corrected by _Robert Israel_, Sep 25 2019

%E Offset changed to 1 by _Rémy Sigrist_, Jan 29 2021