22724

Appears in sequences

• Powers of rooted tree enumerator.at n=22A000439
• Number of key permutations of length n: permutations {a_i} with |a_i - a_{i-1}| = 1 or 2.at n=22A003274
• A000012^23 * A000594.at n=10A128379
• a(n) = Sum_{i=0..n} digsum_9(i)^3, where digsum_9(i) = A053830(i).at n=52A231686
• Number of unordered pairs of partitions of n with no common parts.at n=20A260669
• The primitive abundant numbers k (A071395) arranged by the decreasing values of their abundancy index sigma(k)/k.at n=23A307098
• Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.at n=27A342080
• Number of partitions of n in which exactly one even part is repeated and odd parts are unrestricted.at n=40A353902