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A052309 Column 1 of triangle A052308. 2
1, -1, 0, 1, 0, -1, -1, 0, 4, 8, 2, -34, -108, -160, 189, 2363, 8032, 12277, -30155, -347952, -1464609, -3099733, 4975748, 96347901, 539113345, 1751884290, 714138346, -40349734815, -334283308597, -1643012627964, -4159491453450 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

LINKS

Table of n, a(n) for n=1..31.

Index entries for sequences related to bracelets

CROSSREFS

Sequence in context: A109815 A339571 A110653 * A332905 A021211 A019698

Adjacent sequences:  A052306 A052307 A052308 * A052310 A052311 A052312

KEYWORD

sign

AUTHOR

Christian G. Bower, Dec 15 1999

STATUS

approved

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Last modified September 20 23:04 EDT 2021. Contains 347596 sequences. (Running on oeis4.)