Interesting problem: A076109 (correction)
David Wilson
davidwwilson at comcast.net
Fri Jun 10 11:42:29 CEST 2005
>>
>> a(n) =
>> 0 if n == 0 (mod 4)
>> A007947(n)/2 if n == 2 (mod 4)
>> A007947(n) if n == 1 (mod 2)
>>
That would be A007947(n/2) if n == 2 (mod 4)
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