64200

Appears in sequences

• Aliquot sequence starting at 1074.at n=8A014364
• n written in fractional base 8/6.at n=32A024648
• Number of generalized polyforms on the rhombitrihexagonal tiling with n cells.at n=10A344211
• a(n) = n! * Sum_{k=0..floor(n/2)} k! / (2*k)!.at n=8A372829
• Irregular triangle read by rows: T(n,k) is the number of regions between the free polyominoes, with n cells and width k, and their bounding boxes, n >= 1, 1 <= k <= ceiling(n/2).at n=44A380283