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A056229 Hankel transform of Euler totient function (A000010). 1
1, 1, 0, -4, 64, -240, -2656, 15360, -88064, -1714176, -28506112, 59061248, 1975595008, -107448238080, 858018086912, 12209125720064, 61138306793472, -297002777247744, -7586668200067072, 309144292445913088 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

CROSSREFS

See A001906 for definition of Hankel transform.

Sequence in context: A111444 A090561 A016934 * A062271 A056982 A110258

Adjacent sequences:  A056226 A056227 A056228 * A056230 A056231 A056232

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 06 2000

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.