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A022870 a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3. 1

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

%S 2,2,2,3,3,3,3,4,6,9,13,17,23,32,45,64,90,128,182,260,369,526,749,

%T 1067,1521,2170,3094,4414,6297,8983,12815,18283,26083,37215,53094,

%U 75754,108079,154206,220013,313907,447870,639007,911714,1300807

%N a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3.

%K nonn

%O 1,1

%A _Clark Kimberling_

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)