|
| |
|
|
A124553
|
|
Row 3 of table A124550; also equals the self-convolution cube of A124563, which is row 3 of table A124560.
|
|
7
| |
|
|
1, 3, 15, 91, 666, 5955, 65794, 901881, 15346419, 324465907, 8535776700, 279761994750, 11438401220798, 584130591952902, 37300812251856828, 2981666324471342976, 298639111371493692105, 37510558656296021069859
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
COMMENTS
| In table A124550, the g.f. of row n, R_n(y), simultaneously satisfies: R_n(y) = [ Sum_{k>=0} y^k * R_{n*k}(y) ]^n for n>=0.
|
|
|
FORMULA
| G.f.: A(x) = [ Sum_{k>=0} y^k * R_{3k}(y) ]^3, where R_n(x) is the g.f. of row n in table A124550.
|
|
|
CROSSREFS
| Cf. A124550; other rows: A124551, A124552, A124554, A124555, A124556.
Sequence in context: A006632 A159928 A020018 * A020108 A193661 A192296
Adjacent sequences: A124550 A124551 A124552 * A124554 A124555 A124556
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 07 2006
|
| |
|
|
