A006558: First group of n consecutive integers with same number of divisors

[Jud McCranie]

At 09:07 AM 1/14/2006, Jud McCranie wrote:
>At 01:11 AM 1/13/2006, David Wasserman wrote:
>>Dear fellow seqfans,
>>I have submitted a new upper bound: a(9) <= 2197379769820.
>
>I have confirmed that a(9)=2197379769820 in A6558.

And David's example and lower bound that isn't too large helps quite a 
bit.  David deserves part of the credit.