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a(n) = c([ n/2 ]) + c([ n/3 ]) + ... + c([ n/n ]) for n >=3, where a(1) = 1, a(2) = 3 and c(n) = n-th number not in sequence a( ).

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`%I #5 Mar 30 2012 18:55:51
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`%S 1,3,4,9,11,17,19,25,28,34,36,45,47,54,58,65,67,76,78,86,91,97,99,111,
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`%T 114,121,125,134,136,147,149,157,161,167,172,186,188,194,199,210,212,
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`%U 224,226,234,240,246,248,262,266,275,279,289,291,303,307
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`%N a(n) = c([ n/2 ]) + c([ n/3 ]) + ... + c([ n/n ]) for n >=3, where a(1) = 1, a(2) = 3 and c(n) = n-th number not in sequence a( ).
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`%K nonn
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`%O 1,2
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`%A _Clark Kimberling_
`