1230592
domain: N
Appears in sequences
- Number of rooted planar bridgeless cubic maps with 2n nodes.at n=8A000309
- 4th-order Patalan numbers (generalization of Catalan numbers).at n=7A025749
- A convolution triangle of numbers obtained from A025749.at n=21A049213
- Coefficient [x^n] of the Maclaurin series for 2 - sqrt(1 - 4*x - 4*x^2).at n=12A179190