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A013568 Almost certainly an erroneous version of A317209. 3
1, 0, 0, 0, 7, -665, 219, -598, 11570, -5357968, 995254, -4960662, 126624718, -783821598, 22344623929, -166137700653, 5222279193717, -16426560893778654, 1561364880901471, -15643758252397591 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,5
COMMENTS
Joerg Arndt pointed out on Nov 20 2016 that the original definition was wrong.
LINKS
CROSSREFS
Cf. A317209.
Sequence in context: A347507 A074282 A171737 * A174853 A228928 A332167
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Name edited by N. J. A. Sloane, Aug 10 2018 based on investigations by Sean A. Irvine, Aug 08 2018
STATUS
approved

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)