Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A056733
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A056733 Each number is the sum of the cubes of its 3 sections. +0
1
153, 370, 371, 407, 165033, 221859, 336700, 336701, 340067, 341067, 407000, 407001, 444664, 487215, 982827, 983221, 166500333, 296584415, 333667000, 333667001, 334000667, 710656413, 828538472 (list; graph; listen)
OFFSET

0,1

COMMENT

The first four terms are also called Narcissistic or Armstrong numbers. The first 16 terms are found in the Spencer's book, pages 65 and 101. I calculated the last seven terms.

The sequence contains several infinite subsequences such as 153, 165033, 166500333, 166650003333, ...; 370, 336700, 333667000, 333366670000, ... or 371, 336701, 333667001, 333366670001, ... - Ulrich Schimke (ulrschimke(AT)aol.com), Jun 08, 2001

REFERENCES

Donald D. Spencer, "Exploring number theory with microcomputers", pp. 65 and 101, Camelot Publishing Co.

J. S. Madachy, Madachy's Mathematical Recreations, pp. 166 Dover NY 1979.

EXAMPLE

333667001 = 333^3+667^3+001^3

CROSSREFS

Cf. A005188.

Adjacent sequences: A056730 A056731 A056732 this_sequence A056734 A056735 A056736

Sequence in context: A104810 A066528 A046197 this_sequence A050209 A109142 A014576

KEYWORD

nonn,base

AUTHOR

Carlos B. Rivera F. (crivera(AT)primepuzzles.net), Aug 13 2000

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 October 10 20:39 EDT 2008. Contains 144831 sequences.


AT&T Labs Research