A188799 Row 1 of array in A188797.

-1, -18, 4968, 502200, 796330440, -1289959784640, -1343956990999680, -721722455986066560, -32804319701091728592000, 133446698760622233042489600, 955698661328665750316799897600, 6838527510454538263074363464601600, -37058969931138827800986397696915968000

Offset

0,2

Links

Nathaniel Johnston, Table of n, a(n) for n = 0..128

Crossrefs

Sequence in context: A008994 A346209 A036214 * A058976 A319942 A013723

Adjacent sequences: A188796 A188797 A188798 * A188800 A188801 A188802

Keyword

sign,easy

Author

N. J. A. Sloane, Apr 10 2011

Extensions

a(4) - a(12) from Nathaniel Johnston, Apr 11 2011

Status

approved