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A056222 Image of partition numbers (A000041) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}. 0
-1, 1, -1, 4, -6, 16, -17, 34, -24, 84, -98, 273, -194, 449, -209, 1089, -726, 2695, -1295, 5049, -990, 10044, -3125, 23335, -2936, 40516, 3052, 82874, 3553, 171086, 25168, 307395, 104259, 577831, 206819, 1149058, 488114, 2030380, 1156155, 3805389 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A062955 A174932 A133092 * A186201 A138624 A071428

Adjacent sequences:  A056219 A056220 A056221 * A056223 A056224 A056225

KEYWORD

sign

AUTHOR

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

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.