|
| |
|
|
A121688
|
|
G.f.: A(x) = Sum_{k>=0} x^k * (1+x)^(2^k).
|
|
1
| |
|
|
1, 2, 3, 6, 15, 49, 210, 1191, 8981, 90405, 1219297, 22105506, 540476679, 17875316557, 802011318369, 48947781204529, 4073596070782653, 463360670014324153, 72183972733773232361, 15430254274957714069057
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
