OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..7350 (missing terms inserted by Sean A. Irvine, Apr 28 2022)
MATHEMATICA
nn=20; With[{trnos=Accumulate[Range[nn]]}, Union[Flatten[Table[ Total/@ Partition[ trnos, n, 1], {n, 2, nn}]]]] (* Harvey P. Dale, Jul 25 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 02 2000
STATUS
approved