A348925 Number of 4-sided prudent polygons of area n.

8, 16, 40, 96, 232, 560, 1336, 3176, 7480, 17528, 40776, 94336, 216976, 496432, 1130120, 2560648, 5776304, 12976112, 29036008, 64732992, 143814192, 318455632, 702983256, 1547254832, 3395989288, 7433962168, 16232357608, 35359307144, 76848753032, 166658534216

Offset

1,1

Links

Nicholas R. Beaton and Anthony Guttmann, Table of n, a(n) for n = 1..800

Nicholas R. Beaton, Philippe Flajolet, Tim Garoni and Anthony J. Guttmann, Some New Self-avoiding Walk and Polygon Models, Fundamenta Informaticae, vol. 117, 2012, pp. 19-33.

Nicholas R. Beaton, Philippe Flajolet and Anthony J. Guttmann, The Enumeration of Prudent Polygons by Area and its Unusual Asymptotics, arXiv:1011.6195 [math.CO], Nov 29 2010, updated Nov 04 2021.

Crossrefs

Cf. A052548, A348838.

Sequence in context: A108576 A052207 A038578 * A155110 A245419 A266159

Adjacent sequences: A348922 A348923 A348924 * A348926 A348927 A348928

Keyword

nonn

Author

Vaclav Kotesovec, following a suggestion from Anthony Guttmann, Nov 04 2021

Status

approved