(Translated by https://www.hiragana.jp/)
A022872 - OEIS
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a(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3.
1

%I #4 Mar 30 2012 18:55:51

%S 2,2,1,2,3,2,3,4,4,6,7,9,11,14,19,23,31,40,51,66,86,113,146,191,250,

%T 326,427,556,727,952,1244,1627,2129,2784,3643,4765,6234,8157,10673,

%U 13963,18271,23908,31281,40929,53555,70075,91690,119977,156987

%N a(n) = [ a(n-1)/a(1) ] + [ a(n-3)/a(3) ] + [ a(n-5)/a(5) ] + ..., for n >= 3.

%K nonn

%O 1,1

%A _Clark Kimberling_