login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A296137
Smallest difference between the sums of n-th powers in an ideal solution to Prouhet-Tarry-Escott problem of size n.
1
1, 2, 12, 144, 25200, 86400
OFFSET
1,2
COMMENTS
The smallest difference is delivered by the same ideal solutions as in A296136.
EXAMPLE
For n=4, the smallest difference is delivered by multisets {0,0,5,5} and {-1,2,3,6} with the sums of 4th powers equal 1250 and 1394, respectively. Their difference is 1394-1250 = 144 = a(4).
CROSSREFS
Cf. A296136.
Sequence in context: A221101 A187748 A324140 * A086928 A228551 A001927
KEYWORD
nonn,hard,more
AUTHOR
Max Alekseyev, Dec 05 2017
STATUS
approved