A052312 Column 1 of triangle A052311.

1, -1, 0, 1, 0, -1, -2, -1, 8, 25, 26, -111, -590, -1419, 456, 21639, 99822, 202875, -545926, -7583365, -36354050, -71015561, 372995254, 4834925399, 25950214696, 60006459617, -337120306782, -5124389194155, -33147265576814

Offset

1,7

Links

Table of n, a(n) for n=1..29.

Index entries for sequences related to necklaces

Crossrefs

Sequence in context: A084222 A160602 A160626 * A110742 A252355 A366404

Adjacent sequences: A052309 A052310 A052311 * A052313 A052314 A052315

Keyword

sign

Author

Christian G. Bower, Dec 15 1999

Status

approved