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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
OFFSET
0,5
COMMENTS
Joerg Arndt pointed out on Nov 20 2016 that the original definition was wrong.
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