45486
domain: N
Appears in sequences
- a(n)=sum(i+j+k=n,(2n)!/(i+j)!/(j+k)!/(k+i)!) 0<=i<=n, 0<=j<=n, 0<=k<=n.at n=5A092472
- Number of fibeven primes (A095080) in range ]2^n,2^(n+1)].at n=19A095060
- Triangle read by rows: T(m,n) = number of ways of distributing n distinguishable balls into m distinguishable bins of size 5 where empty bins are permitted (m >= 1, 1 <= n <= 5m).at n=24A248847
- Index of first occurrence of n in A281579, or -1 if n does not appear there..at n=35A281900