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Search: id:A077974
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A077974 Expansion of 1/(1+x+2*x^3). +0
3
1, -1, 1, -3, 5, -7, 13, -23, 37, -63, 109, -183, 309, -527, 893, -1511, 2565, -4351, 7373, -12503, 21205, -35951, 60957, -103367, 175269, -297183, 503917, -854455, 1448821, -2456655, 4165565, -7063207, 11976517, -20307647, 34434061, -58387095, 99002389, -167870511, 284644701 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Signed version of A077949.

Adjacent sequences: A077971 A077972 A077973 this_sequence A077975 A077976 A077977

Sequence in context: A127443 A003229 A077949 this_sequence A126273 A007658 A024724

KEYWORD

sign

AUTHOR

njas, Nov 17 2002

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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