A196465 - OEIS

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A196465

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

1

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

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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