110545

Appears in sequences

• Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant in the closed interval [-n,n].at n=30A211031
• Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most eight elements and for at least one block c the smallest integer interval containing c has exactly eight elements.at n=3A320558