30159

Appears in sequences

• Starting numbers for which the RATS sequence has eventual period 3.at n=11A114613
• a(n) = a(n-1)*a(n-3) - 1, starting with a(0)=a(1)=a(2)=2.at n=9A121256
• Smallest number k such that M(n)^2+k*M(n)+1 is prime with M(n)= Mersenne primes =A000668(n).at n=22A139427
• Hyper-Wiener index of a benzenoid consisting of a double-step spiral chain of n hexagons (n >= 2, s = 21; see the Gutman et al. reference).at n=8A193398
• Number of nX3 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero.at n=17A304128
• a(n) = (2*n^3 - 6*n^2 + 19*n - 9)*n/6.at n=17A378023