A078189 - OEIS

A078189

Array read by rows in which the n-th row contains the multiples of n in increasing order using all the digits of first n numbers.

%I #10 Apr 29 2023 11:38:11

%S 1,12,123,132,213,231,312,321,1324,1432,3124,3412,4132,4312,12345,

%T 12435,13245,13425,14235,14325,21345,21435,23145,23415,24135,24315,

%U 31245,31425,32145,32415,34125,34215,41235,41325,42135,42315,43125,43215

%N Array read by rows in which the n-th row contains the multiples of n in increasing order using all the digits of first n numbers.

%H Harvey P. Dale, <a href="/A078189/b078189.txt">Table of n, a(n) for n = 1..10000</a>

%e 1; 12; 123 132 213 231 312 321; 1324 3124 3412 4312; 12345 12435 13245 13425 ... (24 terms); 123456 132456 ... (120 terms); 1234576,...

%t Table[Select[FromDigits/@Permutations[Range[n]],Mod[#,n]==0&],{n,5}]//Flatten (* _Harvey P. Dale_, Apr 29 2023 *)

%Y Cf. A077193.

%K base,nonn,tabf

%O 1,2

%A _Amarnath Murthy_, Nov 21 2002

%E More terms from _Sascha Kurz_, Jan 04 2003