|
Search: id:A059387
|
|
| |
|
| 0, 2, 24, 182, 1200, 7502, 45864, 277622, 1672800, 10057502, 60406104, 362617862, 2176246800, 13059091502, 78359364744, 470170602902, 2821066795200, 16926530173502, 101559568985784, 609358577224742, 3656154952230000
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
a(n) = A000225(n) * A024023(n) = (2^n - 1) * (3^n - 1) . a(n) is the number of n-tuples of elements e_1,e_2,...,e_n in the cyclic group C_6 such that the subgroup generated by e_1,e_2,...,e_n is C_6 . - Sharon Sela (sharonsela(AT)hotmail.com), Jun 02 2002
|
|
REFERENCES
|
L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 199, #3.
|
|
CROSSREFS
|
Cf. A000225, A024023.
Sequence in context: A073066 A002736 A131972 this_sequence A126190 A121356 A052780
Adjacent sequences: A059384 A059385 A059386 this_sequence A059388 A059389 A059390
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
njas, Jan 29 2001
|
|
|
Search completed in 0.002 seconds
|
