308179

Appears in sequences

• Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which generate a group of order two under binary matrix multiplication.at n=29A054466
• Number of Dyck paths of semilength n having no ascents of length 2.at n=14A102403
• Composite numbers whose sum of aliquot parts divides the sum of their unrelated numbers.at n=21A250399