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A028380 a_n = - sum_{i=1..n-1} C(i+1, n-i) (-1)^(n-i) a_i. 0
0, 28, 148, 621, 2420, 9152, 34164, 126854, 470288, 1744200, 6478088, 24107105, 89908380 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A042532 A187608 A069917 * A188778 A002593 A015881

Adjacent sequences:  A028377 A028378 A028379 * A028381 A028382 A028383

KEYWORD

nonn

AUTHOR

Grisha Berkolaiko (grisha(AT)ORY.ph.biu.ac.il)

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.