|
Search: id:A124536
|
|
| |
|
| 1, 1, 7, 49, 343, 2401, 9430, 65810, 480077, 3637345, 28502254, 230271472, 1913354190, 16318251874, 142611810220, 1275372111383, 11657396456231, 108792892306605, 1035708759921763, 10049835806235885, 99321845447658052
(list; graph; listen)
|
|
|
OFFSET
|
0,3
|
|
|
COMMENT
|
In table A124530, the g.f. of row n, R_n(y), simultaneously satisfies: R_n(y) = Sum_{k>=0} y^k*R_k(y)^(n*k) for n>=0.
|
|
FORMULA
|
G.f.: A(x) = Sum_{n>=0} x^n*R_n(x)^(6n), where R_n(x) is the g.f. of row n in table A124530.
|
|
PROGRAM
|
(PARI) {a(n)=local(R); R=vector(n+7, r, vector(n+7, c, if(r==1|c<=2, 1, r^(c-2)))); for(i=0, n, for(r=0, n, R[r+1]=Vec(sum(c=0, n, x^c*Ser(R[c+1])^(r*c)+O(x^(n+1)))))); R[7][n+1]}
|
|
CROSSREFS
|
Cf. A124530 (table); other rows: A124531, A124532, A124533, A124534, A124535.
Sequence in context: A014949 A057845 A045584 this_sequence A045578 A126627 A000420
Adjacent sequences: A124533 A124534 A124535 this_sequence A124537 A124538 A124539
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Paul D. Hanna (pauldhanna(AT)juno.com), Nov 05 2006
|
|
|
Search completed in 0.002 seconds
|
