OFFSET
1,2
EXAMPLE
a(6) = 2063792939 = 1^6 + 4^6 + 16^6 + 21^6 + 31^6 + 32^6
= 4^6 + 7^6 + 20^6 + 22^6 + 29^6 + 33^6
= 5^6 + 7^6 + 16^6 + 25^6 + 30^6 + 32^6
= 5^6 + 8^6 + 14^6 + 27^6 + 29^6 + 32^6.
CROSSREFS
KEYWORD
sign,hard,more
AUTHOR
Ilya Gutkovskiy, Aug 12 2024
STATUS
approved