A352325 Number of ways of placing A352241(n) nonattacking black-square queens on an n X n board.

1, 2, 5, 6, 8, 6, 10, 112, 104, 80, 40, 36, 2172, 1414, 984, 384, 240, 70396, 39400, 22468, 3696, 1152, 4457616, 2246138, 1060976, 185932

Offset

1,2

Links

Table of n, a(n) for n=1..26.

Crossrefs

Cf. A000170, A352241.

Sequence in context: A033959 A167455 A159752 * A228089 A126971 A175354

Adjacent sequences: A352322 A352323 A352324 * A352326 A352327 A352328

Keyword

nonn,more

Author

Vaclav Kotesovec, Mar 12 2022

Extensions

a(20)-a(26) from Martin Ehrenstein, Mar 12 2022

Status

approved