96138

Appears in sequences

• Number of ways to place 2 non-attacking wazirs on an n X n toroidal board.at n=20A201236
• The number of idempotents in the Jones (or Temperley-Lieb) monoid on the set [1..n].at n=11A225798
• Number of tilings of an 11 X n rectangle using integer-sided square tiles of area > 1.at n=17A226375
• Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = n^2 x and t(x) = 2x+1. See Comments.at n=24A375042