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OEIS A229580 mini challenge (RPL)
05-01-2018, 11:51 AM
Post: #4
Gerald H Offline
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RE: OEIS A229580 mini challenge (RPL)
For n > 2 on

a(n) = 4*(a(n-1)) + 4^(n-1)

but I find neither a small programme nor one as fast as yours.
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RE: OEIS A229580 mini challenge (RPL) - Gerald H - 05-01-2018 11:51 AM



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