[seqfan] Re: d(n) = d(n-1)*d(n-2) & d(n) = d(n+1)*d(n+2)

[Richard Guy]

3375 can go in the first.   R.

On Fri, 12 Feb 2010, Leroy Quet wrote:

> Could someone calculate a few terms of these sequences, please? Are they in the EIS yet?
>
> 1) Those integers n, n>=3, such that d(n) = d(n-1)*d(n-2), where d(n) is the number of divisors of n.
>
> 3,24,..
>
> 3) Those positive integers n such that d(n) = d(n+1)*d(n+2).
>
> 96,...
>
> Thanks,
> Leroy Quet
>
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