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A127144 Q(2,n), where Q(m,k) is defined in A127080 and A127137, +0
2
1, 1, 0, -3, -4, 15, 48, -105, -624, 945, 9600, -10395, -175680, 135135, 3790080, -2027025, -95235840, 34459425, 2752081920, -654729075, -90328089600, 13749310575, 3328103116800, -316234143225, -136191650918400, 7905853580625, 6131573025177600, -213458046676875, -301213549769932800 (list; graph; listen)
OFFSET

0,4

REFERENCES

V. van der Noort and N. J. A. Sloane, Paper in preparation, 2007.

FORMULA

See A127080 for e.g.f.

CROSSREFS

A126967 interleaved with A001147.

A column of A127080.

Sequence in context: A055486 A041665 A052133 this_sequence A042771 A135962 A115752

Adjacent sequences: A127141 A127142 A127143 this_sequence A127145 A127146 A127147

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 24 2007

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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