A260788 Normalized volume of Newton polytope P(n) for a flag space with second Betti number 1.

2, 6, 20, 82, 344, 1598

Offset

2,1

Links

Table of n, a(n) for n=2..7.

M. M. Graev, Einstein equations for invariant metrics on flag spaces and their Newton polytopes, Transactions of the Moscow Mathematical Society, 2014, pp. 13-68. Original publication: Trudy Moskovskogo Matematicheskogo Obshchestva, tom 75 (2014), vypusk 1.

Crossrefs

Cf. A152802, A260789, A260790.

Sequence in context: A177481 A177475 A118476 * A337274 A115084 A177476

Adjacent sequences: A260785 A260786 A260787 * A260789 A260790 A260791

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 05 2015

Status

approved