22558

Appears in sequences

• a(n) = A121296(n) - A121295(n).at n=11A128916
• Number of compositions (ordered partitions) of n into 2 or more distinct nonnegative parts.at n=22A216708
• Number of partitions of n with difference 4 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=42A242695
• Number of irredundant sets in the n-crown graph.at n=10A290710
• Numbers k such that w(k-2), w(k-1), and w(k) are all odd, where w is A336957.at n=8A338070
• Records in A347113.at n=18A347307
• a(n) = number of subsets of {1, 2, ..., n} that represent the first k divisors of m for some positive integers m and 1 <= k <= A000005(m).at n=31A378314