133697

Properties

Appears in sequences

• Triangle read by rows: T(n,k) is the number of permutations of [n] with exactly k increasing runs of even length.at n=27A097592
• Number of permutations of [n] with exactly two increasing runs of even length.at n=5A317282
• a(n) = sum for all integer partitions of n of the difference between number of different parts and number of different multiplicities.at n=42A373243
• Prime numbersat n=12473