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Table of n, a(n) for n=0..53.
For n>3, a(n) = (n^2-n+10)/2.
Cf. A077168, A077170.
Sequence in context: A036700 A025719 A025696 * A094277 A263995 A261878
Adjacent sequences: A077166 A077167 A077168 * A077170 A077171 A077172
Amarnath Murthy, Nov 01 2002
More terms from Sascha Kurz, Feb 10 2003