[seqfan] Re: [math-fun] Unsolved? problem

[Chuck Seggelin]

> [[30 yrs on our computers, human &
> electronic, shd be able to improve on
> this.  Should the last 4 of the above
> 5 seqs be in OEIS ??    R.]]

The sequence beginning with 1 (call it s1) and the sequence beginning with 
393 (call it s2) appear to have no terms in common in their first 5000 
terms.

The 5000'th term of s1 is 425206306029958511853562109954.

The 5000'th term of s2 is 18795034909653422153407847455617.

                -- Chuck