login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097518 Zero-free Harshad left truncatable numbers. 1
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, 312, 324, 336, 342, 372, 448, 481, 512, 518, 612, 621, 624, 645, 648, 684, 736, 912, 918, 936, 954, 972, 1224, 1512, 2112, 2312, 2448, 2736, 2912, 3312, 3324, 3612 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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.

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 1..3603

C. Rivera, Puzzle 283.

EXAMPLE

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

CROSSREFS

Cf. A005349, A097569.

Sequence in context: A114440 A334416 A217973 * A097569 A308561 A095160

Adjacent sequences:  A097515 A097516 A097517 * A097519 A097520 A097521

KEYWORD

fini,full,nonn,base

AUTHOR

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

EXTENSIONS

More terms from Eric M. Schmidt, Apr 19 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 2 16:46 EST 2020. Contains 338877 sequences. (Running on oeis4.)