|
Search: id:A145148
|
|
| |
|
| 1, 21, 322, 4536, 68313, 1123815, 19826015, 368232150, 7247538298, 152150838840, 3403471995560, 80589585571040, 2012376195058384, 52929114594971184, 1464737200231998960, 42545324327111272800, 1293727732305595341216
(list; graph; listen)
|
|
|
OFFSET
|
7,2
|
|
|
MAPLE
|
row:= proc(n) option remember; local f, i, x; f:= unapply (simplify (sum ('cat (a||i) *x^i', 'i'=0..n-1) ), x); unapply (subs (solve ({seq(f(i+1)= coeftayl (x/ (1-x-x^4)/ (1-x)^i, x=0, n), i=0..n-1)}, {seq (cat (a||i), i=0..n-1)}), sum ('cat (a||i) *x^i', 'i'=0..n-1) ), x); end: a:= n-> `if` (n=0, 0, coeftayl (row(n)(x), x=0, 6) *(n-1)!): seq (a(n), n=7..26);
|
|
CROSSREFS
|
Cf. A145153.
Sequence in context: A141267 A016262 A001233 this_sequence A016260 A011810 A091947
Adjacent sequences: A145145 A145146 A145147 this_sequence A145149 A145150 A145151
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 03 2008
|
|
|
Search completed in 0.002 seconds
|
