A196465 The "virtually counts" n^{real}_d as d runs through the odd numbers.

15, 765, 544125, 487998390, 536543881350, 664513551962205, 890983311920874465, 1264123608455988294750, 1871028346129178222325990, 2861726040699237604475400135, 4493230049007630091514258681445, 7207522320216113436677394290218890, 11769233993986933173028634425462458750, 19509482253918078839431328789761148877375, 32759521641137690288799693558477149120583585

Offset

1,1

Comments

See reference for precise definition.

Links

Table of n, a(n) for n=1..15.

R. Pandharipande, J. Solomon and J. Walcher, Disk enumeration on the quintic 3-fold, arXiv:math/0610901. See p. 43.

Crossrefs

Equals half A196464.

Sequence in context: A034941 A199227 A055683 * A177598 A333562 A116094

Adjacent sequences: A196462 A196463 A196464 * A196466 A196467 A196468

Keyword

nonn

Author

N. J. A. Sloane, Oct 02 2011

Status

approved