|
|
A170735
|
|
Expansion of g.f.: (1+x)/(1-15*x).
|
|
50
|
|
|
1, 16, 240, 3600, 54000, 810000, 12150000, 182250000, 2733750000, 41006250000, 615093750000, 9226406250000, 138396093750000, 2075941406250000, 31139121093750000, 467086816406250000, 7006302246093750000, 105094533691406250000, 1576418005371093750000, 23646270080566406250000
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
MAPLE
|
seq(`if`(n=0, 1, 16*15^(n-1)), n=0..20); # G. C. Greubel, Sep 23 2019
|
|
MATHEMATICA
|
CoefficientList[Series[(1+x)/(1-15x), {x, 0, 30}], x] ( * Vincenzo Librandi, Dec 10 2012 *)
|
|
PROG
|
(PARI) vector(20, n, if(n==1, 1, 16*15^(n-2))) \\ G. C. Greubel, Sep 23 2019
(Sage) [1]+[16*15^(n-1) for n in (1..20)] # G. C. Greubel, Sep 23 2019
(GAP) Concatenation([1], List([1..20], n-> 16*15^(n-1) )); # G. C. Greubel, Sep 23 2019
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|