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A127184 Number of distinct reducible characteristic polynomials of n X n real robust {0,1}-matrices. 2
0, 1, 6, 68, 1893 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..5.
FORMULA
a(n)=A127182(n)-A127183(n)
CROSSREFS
Cf. A125587, A125593, A127182, A127183, A127186.
Sequence in context: A363396 A274722 A347927 * A333795 A113692 A003362
Adjacent sequences: A127181 A127182 A127183 * A127185 A127186 A127187
KEYWORD
nonn
AUTHOR
Artur Jasinski and Peter Pein (petsie(AT)dordos.net), Jan 07 2007
STATUS
approved

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Last modified May 19 03:29 EDT 2024. Contains 372666 sequences. (Running on oeis4.)