A059272 G.f. is g.f. for A059271 divided by g.f. for A059227.

0, 1, 2, 9, 47, 272, 1685, 10939, 73462, 506111, 3557109, 25404296, 183834627, 1344987117, 9932411282, 73937697965, 554234827675, 4179895359240, 31693701617841, 241467983156655, 1847602171074502, 14191725625366331, 109390959408760713

Offset: 0

Author

N. J. A. Sloane, Jan 24 2001

Keywords

• nonn

Crossrefs

Apart from leading terms, half of A059227.