OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Total/@Subsets[8^Range[0, 10], {2}]//Union (* Harvey P. Dale, Jul 04 2022 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Aug 06 2009
Offset corrected by Amiram Eldar, Jul 14 2022
STATUS
approved