|
| |
|
|
A124552
|
|
Row 2 of table A124550; also equals the self-convolution square of A124562, which is row 2 of table A124560.
|
|
10
| |
|
|
1, 2, 7, 30, 159, 1056, 8812, 92062, 1200415, 19512990, 395379699, 9991017068, 315094522052, 12413464676162, 611490149713956, 37699912801819870, 2911578809929672737, 281916836769424155940, 34249052273023310929439
(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_{2k}(y) ]^2, where R_n(x) is the g.f. of row n in table A124550.
|
|
|
CROSSREFS
| Cf. A124550; other rows: A124551, A124553, A124554, A124555, A124556.
Sequence in context: A066114 A088128 A001053 * A020045 A020135 A193353
Adjacent sequences: A124549 A124550 A124551 * A124553 A124554 A124555
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 07 2006
|
| |
|
|
