44318
domain: N
Appears in sequences
- Numbers k such that k!! - 1 is prime.at n=21A007749
- Expansion of x/(1 - 4*x + 6*x^2 - 5*x^3 + 4*x^4 - 3*x^5).at n=17A144897
- Triangle read by rows: T(n,k) is the number of 2-compositions of n having k even entries (0<=k<=n).at n=61A181297
- Number of binary strings of length n having at least one run of length at least 4.at n=16A265725