[seqfan] Re: help needed in editing A139123

[franktaw at netscape.net]

Franklin T. Adams-Watters
A139123 appears to be correct (Successive sequences whose numbers and 
their differences of increasing rank include all numbers 
(generalisation of A005228)).  The condition in the sequence is for the 
first k+1 differences, not just the sequence and the (k+1)st 
difference.  Thus, starting 1 2 immediately duplicates the value 1.

I do think maybe A139123 should have a zeroth row: 1 2 3 4 5 6 ...; but 
that would be a pretty substantial change.

-----Original Message-----
From: N. J. A. Sloane <njas at research.att.com>

...

From: Don Reble <djr at nk.ca>
To: philip.lallouet at orange.fr
Cc: Neil Sloane <njas at research.att.com>
Subject: A139123

Philippe:

    You say that the second row of the A139123 array is
        1 3 7 15 28 47 74 110 156 213 282...
    Why not this?
        1 2 6 14 27 47 75 112 159 217 287 370 468 582 713
        862 1030 1218 1427...

(end of quote)

I am sorry to report that Philippe Lallouet is rather ill, which
is probably why there has been no reply to this message.

Could someone therefore kindly edit A139123 ?

Thanks

Neil