Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A117833
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A117833 Triangular numbers for which the product of the digits is a cube. +0
1
0, 1, 10, 105, 120, 190, 210, 300, 406, 496, 630, 666, 703, 780, 820, 903, 946, 990, 1035, 1081, 1540, 1770, 1830, 2016, 2080, 2701, 2850, 2926, 3003, 3081, 3160, 3240, 3403, 3570, 4005, 4095, 4560, 4950, 5050, 5460, 6105, 6670, 6903, 7021, 7140, 7260 (list; graph; listen)
OFFSET

1,3

EXAMPLE

496 is in the sequence because (1) it is a triangular number, and (2) the product of its digits 4*9*6=216 is a cube.

CROSSREFS

Cf. A000217.

Sequence in context: A110957 A077671 A117832 this_sequence A068093 A077369 A068618

Adjacent sequences: A117830 A117831 A117832 this_sequence A117834 A117835 A117836

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 30 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


AT&T Labs Research