28477

Properties

Appears in sequences

• a(n) is smallest prime > 3*a(n-1), a(1) = 3.at n=8A065540
• Balanced primes of order seven.at n=25A096699
• Balanced primes of order ten.at n=16A096702
• Balanced primes (A090403) of index 3.at n=17A096707
• a(0) = 1, a(n) = 1 + 2*3 + 4*5 + 6*7 + ... + (2n)*(2n+1) for n > 0.at n=27A098931
• Primes p such that there exist three primes q, r and s with p^3=q^3+r^3+s^3.at n=31A114923
• Primes p of the form : p+p^2+p^3-+8=prime.at n=25A154823
• Noncomposite numbers in the southern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=23A168027
• Array: each row starts with the least prime not in a previous row, and each prime p in a row is followed by the least prime > 3*p.at n=46A229610
• Capped binary boundary codes for holeless strictly non-overlapping polyhexes (all orientations and rotations included).at n=24A258002
• Capped binary boundary codes for fusenes (all orientations and rotations included).at n=24A258012
• Number of n X n 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=5A305009
• Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=5A305013
• a(n) is the number of partitions of n in which no part is divisible by 3 minus the number of basis partitions of n.at n=56A350636
• Primes p for which there exists more than one triple of primes q, r, s such that p^3 = q^3 + r^3 + s^3.at n=0A384553
• Prime numbersat n=3098