90475
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) = number of partitions of [1..k] into n nonempty clumps of sizes 1, 2, 3 or 4 (n >= 0, 0 <= k <= 4n).at n=39A144643
- Number of endofunctions on [7] that are the n-th power of an endofunction.at n=15A247058
- Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = -2.at n=6A380900