37734

Appears in sequences

• Number of parallelogram polyominoes of site-perimeter n (also called staircase polyominoes, although that term is overused).at n=18A075125
• Exponential (or binomial) half-convolution of the sequence A000108 (Catalan) with itself.at n=8A203577
• a(n) = A000203(A251720(n)).at n=10A268733
• Determinant of n X n matrix containing the first n^2 composites in increasing order.at n=22A321685