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A130185
Third column (m=2) of triangle A130182.
3
1, 4, 28, 216, -2592, -449280, -42405120, -4187635200, -470931148800, -61395115622400, -9285015785472000, -1621094541631488000, -324607299684433920000, -74032650725692538880000, -19101781491742463754240000, -5540523747380685884620800000
OFFSET
0,2
COMMENTS
See the M. Bruschi et al. reference and the W. Lang link given in A130182.
FORMULA
a(n)= A130185(n+2,2), n>=0.
CROSSREFS
Cf. A130186 (fourth column).
Sequence in context: A275650 A213232 A039741 * A182432 A026020 A243116
KEYWORD
sign,easy
AUTHOR
Wolfdieter Lang Jun 01 2007
STATUS
approved