OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1003 (from Wroblewski, with duplicate n removed)
L. J. Lander, T. R. Parkin and J. L. Selfridge, A survey of equal sums of like powers, Math. Comp. vol. 21 no. 99, 1967, pp. 446-459, Table 1.
Eric Weisstein's World of Mathematics, Diophantine Equation - 4th powers
Jaroslaw Wroblewski, Exhaustive list of 1009 solutions to (4,1,4) below 222,000
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by Don Reble, Jul 07 2007
Qualifier "positive" added to the name by Jianing Song, Jan 24 2020
STATUS
approved