1,2
The partial recurrence a(2k+2) = a(2k+1) + 2 is evident.
The first few terms of the full enumeration are 1, 2, 1/2, 3, 1/3, 4, 3/2, 2/3, 1/4, 5, giving a(n) = 1, 2, 4, 6, 10,...
Sequence in context: A033868 A045954 A072542 this_sequence A002088 A019332 A002491
Adjacent sequences: A092246 A092247 A092248 this_sequence A092250 A092251 A092252
nonn
Andy Niedermaier (aniedermaier(AT)hmc.edu), Feb 20 2004
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