|
Search: id:A048615
|
|
|
| A048615 |
|
Numerator of mass (Sum 1/|Aut(H)|) of Hadamard matrices of order 4n. |
|
+0
3
|
| |
|
|
OFFSET
|
1,4
|
|
|
EXAMPLE
|
1/192, 1/21504, 1/190080, 27/573440, ...
|
|
CROSSREFS
|
Cf. A048616, A007299, A036297.
Sequence in context: A044359 A044740 A026917 this_sequence A124955 A126414 A066414
Adjacent sequences: A048612 A048613 A048614 this_sequence A048616 A048617 A048618
|
|
KEYWORD
|
frac,nonn,hard,nice
|
|
AUTHOR
|
njas, E. M. Rains
|
|
|
Search completed in 0.002 seconds
|
