|
| |
|
|
A110195
|
|
a(n) = 11^((n^2-n)/2).
|
|
0
| |
|
|
1, 1, 11, 1331, 1771561, 25937424601, 4177248169415651, 7400249944258160101211, 144209936106499234037676064081, 30912680532870672635673352936887453361, 72890483685103052142902866787761839379440139451
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
COMMENTS
| Sequence given by the Hankel transform (see A001906 for definition) of A082173 = {1, 1, 12, 155, 2124, 30482, 453432, 6936799, ...}; example : det([1, 1, 12, 155; 1, 12, 155, 2124; 12, 155, 2124, 30482; 155, 2124, 30482, 453432]) = 11^6 = 1771561.
|
|
|
FORMULA
| a(n+1) is the determinant of n X n matrix M_(i, j) = binomial(11i, j).
|
|
|
MATHEMATICA
| Table[11^((n^2-n)/2), {n, 0, 20}] (* From Harvey P. Dale, Feb 02 2012 *)
|
|
|
CROSSREFS
| Cf. : A006125, A047656, A053763, A053764, A109345, A109354, A109493, A109966, A110147.
Sequence in context: A001323 A078274 A013716 * A015484 A145185 A015027
Adjacent sequences: A110192 A110193 A110194 * A110196 A110197 A110198
|
|
|
KEYWORD
| nonn,changed
|
|
|
AUTHOR
| Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Sep 07 2005
|
|
|
EXTENSIONS
| a(11) from Harvey P. Dale, Feb 02 2012
|
| |
|
|
