|
|
A026391
|
|
Expansion of 1/((1-2x)(1-6x)(1-7x)(1-10x)).
|
|
0
|
|
|
1, 25, 407, 5489, 66759, 762321, 8356279, 89114113, 932519687, 9629963057, 98523692631, 1001349555297, 10129549127335, 102127457330833, 1027215881948663, 10314453257429441, 103444825304722503
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
a(n) = -2^n/20 +27*6^n/2 -343*7^n/15 +125*10^n/12. - R. J. Mathar, Jun 23 2013
|
|
MATHEMATICA
|
CoefficientList[Series[1/((1-2x)(1-6x)(1-7x)(1-10x)), {x, 0, 20}], x] (* Harvey P. Dale, Jan 17 2019 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|