| |
| | The On-Line Encyclopedia of Integer Sequences (Site not responding. Last check: 2007-11-02) |
 | | Number of even divisors of n = a(2*n) * (1 - n mod 2). |
 | | P. MacMahon, Divisors of numbers and their continuations in the theory of partitions, Proc. |
 | | N. Sloane, Table of n, d(n) for n = 1..10000 |
| www.research.att.com /cgi-bin/access.cgi/as/njas/sequences/eisA.cgi?Anum=000005 (631 words) |
|