71757

Appears in sequences

• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1001-1111-1001 pattern in any orientation.at n=15A146928
• Odd numbers divisible by 3 which are neither of the form p + 3^m + 1 nor of the form p + 3^m - 1 with p prime.at n=10A282191
• The number of trees with 5 nodes labeled by positive integers, where each tree's label sum is n.at n=33A301740