41534

Appears in sequences

• Number of unlabeled 2-trees with n nodes.at n=12A054581
• Numbers such that the digital sums in bases 3, 4, 5 and 6 all are equal.at n=38A135126
• Numbers such that the digital sums in bases 3, 4, 5, 6 and 7 all are equal.at n=22A135129
• Even composites in A145832 with at least three distinct prime factors.at n=16A145916
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.at n=30A239844