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A085559 Smallest number expressible as the sum of three 4-th powers in at least n ways. 2
1, 2673, 811538, 5978882, 137149922, 292965218, 779888018, 5745705602, 49511121842, 49511121842, 281539574498, 281539574498, 7865870969138, 7865870969138, 7865870969138, 7865870969138, 47580188090162 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

The 4th powers used to sum to the numbers in this series include some zero terms. Hardy and Wright prove that the series is infinite.

REFERENCES

G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers, 5th Ed (1979) p. 330.

EXAMPLE

E.g. 811538 = 29^4 + 17^4 + 12^4 = 28^4 + 21^4 + 7^4 = 27^4 + 23^4 + 4^4.

CROSSREFS

Cf. A011541, A123075.

Sequence in context: A019424 A151813 A010088 * A123075 A112138 A166513

Adjacent sequences:  A085556 A085557 A085558 * A085560 A085561 A085562

KEYWORD

nonn

AUTHOR

Stuart Gascoigne (stuart.g(AT)scoigne.com), Jul 04 2003

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.