A056225 - OEIS

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A056225

Hankel transform of number of divisors sequence (A000005).

1, -2, 3, 3, -7, -3, 16, 3, -27, -27, 51, -131, -198, 153, 680, 87, -144, 1728, 837, -612, -1209, 8323, 7692, -18603, 19731 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`See A001906 for definition of Hankel transform.` `Sequence in context: A140182 A082910 A023646 * A105437 A168140 A088100` `Adjacent sequences: A056222 A056223 A056224 * A056226 A056227 A056228`
	KEYWORD	`sign,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 06 2000`
	EXTENSIONS	`More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 05 2003`

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Last modified February 14 10:43 EST 2012. Contains 205614 sequences.