The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, email@example.com
Period 4096. - Charles R Greathouse IV, Oct 16 2012
Table of n, a(n) for n=0..54.
(PARI) a(n)=n*(n+1)/2%2048 \\ Charles R Greathouse IV, Oct 16 2012
See A105198 for further information.
Sequence in context: A253145 A161680 A000217 * A176659 A109811 A025747
Adjacent sequences: A105337 A105338 A105339 * A105341 A105342 A105343
Oscar Takeshita, May 01 2005
Removed formulas that were wrong at indices >= 65 because the "mod 2048" part of the definition had been ignored R. J. Mathar, Jan 26 2010