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A100584 A000676(n) - A000677(n). 0
1, 1, -1, 1, 0, 1, 0, 3, 1, 7, 4, 19, 17, 63, 77, 217, 326, 815, 1435, 3533, 7227, 17709, 39704, 97010, 228123, 561216, 1366962, 3423504, 8601350, 22000341, 56612480, 147248370, 384885631 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A328461 A210198 A271258 * A185877 A135858 A193845

Adjacent sequences:  A100581 A100582 A100583 * A100585 A100586 A100587

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Dec 01 2004

STATUS

approved

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Last modified November 13 02:59 EST 2019. Contains 329085 sequences. (Running on oeis4.)