A097518 Zero-free Harshad left truncatable numbers.

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

Offset: 1

Author

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

Keywords

• fini
• full
• nonn
• base

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.

Examples

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

Links

• Eric M. Schmidt, Table of n, a(n) for n = 1..3603
• C. Rivera, Puzzle 283.

Crossrefs

Cf. A005349, A097569.

Extensions

More terms from Eric M. Schmidt, Apr 19 2017