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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
C. Rivera, Puzzle 283.
EXAMPLE
972 is divided by 18, 72 is divided by 9 and 2 is divided by 2.
CROSSREFS
Sequence in context: A114440 A334416 A217973 * A097569 A308561 A095160
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

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Last modified May 18 15:59 EDT 2024. Contains 372664 sequences. (Running on oeis4.)