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

Author

Artur Jasinski, Jan 06 2007

Keywords

• nonn
• more

Comments

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

Crossrefs

Cf. A125587, A002416.

Extensions

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