85099

Appears in sequences

• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-1111-0100 pattern in any orientation.at n=11A146709
• Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 5-class group (5,5).at n=27A359871
• Triangle read by rows: T(n, k) = number of k-element subobjects of an n-element set in the category of relations, n >= 0, 0 <= k <= n.at n=42A373398