0,2

First column is (-1)^n*A001764(n+1). Row sums are (-1)^n*A006013(n). Inverse of A127893.

Triangle begins

1,

-3, 1,

12, -6, 1,

-55, 33, -9, 1,

273, -182, 63, -12, 1,

-1428, 1020, -408, 102, -15, 1,

7752, -5814, 2565, -760, 150, -18, 1,

-43263, 33649, -15939, 5313, -1265, 207, -21, 1,

246675, -197340, 98670, -35880, 9750, -1950, 273, -24, 1,

-1430715, 1170585, -610740, 237510, -71253, 16443, -2842, 348, -27, 1,

8414640, -7012200, 3786588, -1553472, 503440, -129456, 26040, -3968, 432, -30, 1

Sequence in context: A162995 A122844 A113369 this_sequence A127898 A078938 A135888

Adjacent sequences: A127891 A127892 A127893 this_sequence A127895 A127896 A127897

sign,tabl

Paul Barry (pbarry(AT)wit.ie), Feb 04 2007