Sum of the squares of numbers of nonconsecutive chess tableaux over all partitions of n.
A238184
Sum of the squares of numbers of nonconsecutive chess tableaux over all partitions of n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =4a(7) =7a(8) =16a(9) =37a(10) =107a(11) =282a(12) =1020a(13) =2879a(14) =12507a(15) =39347a(16) =179231a(17) =687974a(18) =3225246a(19) =14955561a(20) =75999551a(21) =392585613a(22) =2271201137a(23) =12183159188a(24) =81562521256a(25) =446611878413
External references
- oeis: A238184