login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046050 Sum of 19 but no fewer nonzero fourth powers. 3
79, 159, 239, 319, 399, 479, 559 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Dickson noted that this sequence is complete to 4100. Deshouillers, Hennecart and Landreau showed that this sequence is complete up to 10^245, and Kawada, Wooley and Deshouillers showed that it is complete beyond 10^220.

REFERENCES

J.-M. Deshouillers, K. Kawada and T. D. Wooley, On sums of sixteen biquadrates, Mem. Soc. Math. Fr. 100 (2005), pp. 120.

LINKS

J.-M. Deshouillers, F. Hennecart and B. Landreau, Waring's Problem for sixteen biquadrates - numerical results, Journal de Théorie des Nombers de Bordeaux 12 (2000), pp. 411-422.

L. E. Dickson, Recent progress on Waring's theorem and its generalizations, Bull. Amer. Math. Soc. 39:10 (1933), pp. 701-727.

Tanya Khovanova, Non Recursions

Eric Weisstein's World of Mathematics, Biquadratic Number

CROSSREFS

Cf. A000583, A002377, A046049.

Sequence in context: A031890 A140008 A142159 * A044330 A044711 A142307

Adjacent sequences:  A046047 A046048 A046049 * A046051 A046052 A046053

KEYWORD

nonn,fini,full

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

More terms from Arlin Anderson (starship1(AT)gmail.com). Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu) remarks that probably all terms are shown.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 13 08:12 EST 2012. Contains 205451 sequences.