5135130
domain: N
Appears in sequences
- Stirling numbers of second kind S2(14,n).at n=8A011563
- Stirling numbers of second kind: 9th column of Stirling2 triangle A008277.at n=5A049447
- Sixth diagonal of the Stirling2 triangle A048993 and sixth column of triangle A008278.at n=8A112494
- Numbers with prime factorization pqrstuv^3.at n=17A190316
- Average of twin prime pairs n having their decimal expansion of the form abcabc or abcabc0 such that n contains three twin primes as divisors.at n=27A235716
- Number of set partitions of [n] where each subset is again partitioned into nine nonempty subsets.at n=14A327510
- Even numbers in the triangle of Stirling numbers of the second kind (A008277).at n=33A348650
- a(n) is the least number k that has exactly n divisors <= sqrt(k) of the form 4*j+1.at n=34A379693