A097518 - OEIS

%I #7 Apr 19 2017 15:11:30

%S 1,2,3,4,5,6,7,8,9,12,18,21,24,27,36,42,45,48,54,63,72,81,84,112,224,

%T 312,324,336,342,372,448,481,512,518,612,621,624,645,648,684,736,912,

%U 918,936,954,972,1224,1512,2112,2312,2448,2736,2912,3312,3324,3612

%N Zero-free Harshad left truncatable numbers.

%C The largest term of this sequence is 364884399636934134242462112. In total there are 3603 terms. The largest term was calculated independently by Carlos Rivera Jon Wharf, J. van Delden and _Farideh Firoozbakht_.

%H Eric M. Schmidt, <a href="/A097518/b097518.txt">Table of n, a(n) for n = 1..3603</a>

%H C. Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_283.htm">Puzzle 283</a>.

%e 972 is divided by 18, 72 is divided by 9 and 2 is divided by 2.

%Y Cf. A005349, A097569.

%K fini,full,nonn,base

%O 1,2

%A C. Rivera (crivera(AT)primepuzzles.net), Sep 19 2004

%E More terms from _Eric M. Schmidt_, Apr 19 2017