|
| |
|
|
A124559
|
|
Derived from secondary diagonal of table A124550; a(n) = A124550(n+1,n)/(n+1).
|
|
3
| |
|
|
1, 1, 5, 51, 869, 22202, 803053, 39901447, 2677520438, 239963727089, 28509710041427, 4469877880908109, 921904263806801157, 249426774472230102453, 88324099839785869552329
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
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
| a(n) = (n+1)*A124558(n).
|
|
|
CROSSREFS
| Cf. A124550 (table); A124557, A124558; A124551, A124552, A124554, A124555, A124556.
Sequence in context: A077392 A193444 A111340 * A172403 A022516 A003515
Adjacent sequences: A124556 A124557 A124558 * A124560 A124561 A124562
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 07 2006
|
| |
|
|