A126603 Number of real {0,1}-matrices of size n X n which are not robust (cf. A125587).

1, 12, 444, 60528, 31951200, 66495244096

Offset

1,2

Comments

a(n) = 2^(n^2) - A125587(n) = A002416(n) - A125587(n). - Klaus Brockhaus, Jan 08 2007

Links

Table of n, a(n) for n=1..6.

Crossrefs

Cf. A125587, A002416.

Sequence in context: A281248 A338960 A195616 * A291996 A192601 A092704

Adjacent sequences: A126600 A126601 A126602 * A126604 A126605 A126606

Keyword

nonn,more

Author

Artur Jasinski, Jan 06 2007

Extensions

a(5) and a(6) (from A125587) from Klaus Brockhaus, Jan 08 2007

Status

approved