[seqfan] Re: divisor and anti-divisor in n

[Neil Sloane]

I already replied to JSG saying that sequence
was too specialized and not of general interest

Best regards
Neil

Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com


On Mon, Jul 13, 2015 at 5:08 AM, юрий герасимов <2stepan at rambler.ru> wrote:

>
> Dear SeqFans,
>
> Number of ways of writing n as the form k^2 + k*m where k is divisor of n
> and m is anti-divisor of n:
> 0, 0, 1 (k = 1 & m.= 2), 1 (1 & 3), 0, 0, 0, 0, 0, 1 (2 & 3), 0, 0, 0, 0,
> 1 (3 & 2), 0, 0, 1 (2 & 7), 0, 1 (2 & 8), 0, 1 (2 & 9), 0, 0, 0, 0, 1 ( 3 &
> 6), 1 (4 & 3), 0, 0, 0, 0, 0, 0, 1 (5 & 2), 0, 0, 0, 0, 1 ( 5 & 3), 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 2 (4 & 11, 5 & 7), 0, 0, 2 (3 & 18, 7 & 2), 0, 0, 1 (3
> & 19), 0, 0, 0, 1 (7 & 3), 0, 0, 0, 0, 1 (5 & 10), 0, 0, 0, 0, 0, 0, 0, 0,
> 1 (6 & 8), 0, 0, 0, 1 (8 & 3), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 (9 & 2), 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 (5 & 17), 0, 1 (7 & 9), 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 1 (7 & 11), 0, 0, 0, 1 (10 & 3), 0, 0, 0, 0, 1 (9 & 6),
> 0, 0, 0, 0, 1 (4 & 31), ....
>
> Your sequence is of general interest?
>
> Thanks, JSG.