Number of X-rays of n X n binary matrices with exactly n ones.
A290052
Number of X-rays of n X n binary matrices with exactly n ones.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =139a(5) =860a(6) =5393a(7) =34142a(8) =217717a(9) =1396346a(10) =8997695a(11) =58205686a(12) =377775385a(13) =2458841504a(14) =16043226825a(15) =104901986083a(16) =687221188145
External references
- oeis: A290052