|
| |
|
|
A064321
|
|
n*(n-1)^3*(n-2)^3*(n-3).
|
|
2
| |
|
|
0, 0, 0, 0, 864, 17280, 144000, 756000, 2963520, 9483264, 26127360, 64152000, 143748000, 298995840, 584648064, 1085142240, 1926288000, 3290112000, 5433384960, 8710395264, 13600573920, 20741616000, 30968784000, 45361118880
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,5
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,400
|
|
|
EXAMPLE
| a(4) =4*(3^3)*(2^3)*1 =4*27*8*1 =864
|
|
|
PROG
| (PARI) { for (n=0, 400, write("b064321.txt", n, " ", n*(n - 1)^3*(n - 2)^3*(n - 3)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 11 2009]
|
|
|
CROSSREFS
| Cf. A000027, A002378, A047928, A064319, A064320.
Sequence in context: A203662 A179671 A097982 * A082243 A114497 A129035
Adjacent sequences: A064318 A064319 A064320 * A064322 A064323 A064324
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Henry Bottomley (se16(AT)btinternet.com), Sep 10 2001
|
| |
|
|
