|
Search: id:A052458
|
|
|
| A052458 |
|
Number of trimagic series for squares of order n. |
|
+0
7
|
|
| 1, 0, 0, 2, 2, 0, 0, 121, 126, 0, 31187, 2226896, 17265701, 0
(list; graph; listen)
|
|
|
OFFSET
|
1,4
|
|
|
REFERENCES
|
M. Kraitchik, Mathematical Recreations, 1942, see Section 7.10.
|
|
LINKS
|
Christian Boyer, Multimagic Squares
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
|
|
CROSSREFS
|
Cf. A052456, A052457, A090653, A092312, A090037.
Adjacent sequences: A052455 A052456 A052457 this_sequence A052459 A052460 A052461
Sequence in context: A037224 A122670 A087637 this_sequence A004586 A116511 A049502
|
|
KEYWORD
|
nonn,more,nice
|
|
AUTHOR
|
Eric Weisstein (eric(AT)weisstein.com)
|
|
EXTENSIONS
|
Corrected and extended Nov 15 2003, using the values of a(3) through a(12) from Christian Boyer's web site. - njas
One more term from Christian Boyer (cboyer(AT)club-internet.fr), Nov 05 2004
One further term from Christian Boyer (cboyer(AT)club-internet.fr), May 30 2005
|
|
|
Search completed in 0.002 seconds
|
