209719

Properties

Appears in sequences

• Primes p such that p, p+24, p+48 are consecutive primes.at n=14A052190
• a(n) = 3*a(n-1) + 4*a(n-2), with a(0) = 3, a(1) = 7, a(3) = 9, for n > 2.at n=9A115164
• Number of lattice paths from (0,0) to (n,n) using steps S={(k,0),(0,k),(1,1)|0<k<=4} which never go above the line y=x.at n=7A175900
• Sum over all partitions of n of the LCM of the number of parts and the number of distinct parts.at n=31A339394
• Prime numbersat n=18783