49840
domain: N
Appears in sequences
- Triangle T(n,k) read by rows giving number of labeled mappings (or functional digraphs) from n points to themselves (endofunctions) with exactly k cycles, k=1..n.at n=32A060281
- Decagonal numbers divisible by 10.at n=23A117797
- Number of 3 X n 0..1 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=15A224159
- Number of endofunctions on [n] with exactly five cycles.at n=3A273436
- Number of n-digit positive integers where all pairs of consecutive digits have a difference of at least 5.at n=7A383077