66242

Appears in sequences

• A sequence generated from a 4th degree Pascal's Triangle polynomial.at n=21A095265
• a(n)= a(n-1) +3*a(n-2) -3*a(n-4).at n=17A107384
• Number of triples (a, b, c) with gcd(a, b, c) = 1 and -n <= a,b,c <= n.at n=21A175549
• Sphenic numbers k = p*q*r such that reversal(k) is also a sphenic number and reversal(k) = reversal(p)*reversal(q)*reversal(r).at n=32A242726