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A003337 Numbers n which are the sum of 3 nonzero 4th powers. 11
3, 18, 33, 48, 83, 98, 113, 163, 178, 243, 258, 273, 288, 338, 353, 418, 513, 528, 593, 627, 642, 657, 707, 722, 768, 787, 882, 897, 962, 1137, 1251, 1266, 1298, 1313, 1328, 1331, 1378, 1393, 1458, 1506, 1553 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Numbers which are in this sequence but not in A047714 must also be the sum of 2 biquadrates, or equal to a fourth power. Among the first 1000 terms of this sequence, this is the case for 4802=2*7^4, 57122=2*13^4 and 76832=2*14^4. - M. F. Hasler, Dec 31 2012

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Biquadratic Number.

CROSSREFS

Cf. A047714.

Sequence in context: A163242 A190308 A161443 * A047714 A204192 A108169

Adjacent sequences:  A003334 A003335 A003336 * A003338 A003339 A003340

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified June 24 08:33 EDT 2017. Contains 288697 sequences.