1451188224

Appears in sequences

• Number of primitive polynomials of degree n over GF(4).at n=18A027695
• Third column of triangle A067410 and second column of A067417.at n=12A067411
• a(n) = Product_{k=1..d(n)-1} lcm(b(k), b(k+1)), where b(k) is the k-th positive divisor of n and d(n) = the number of positive divisors of n.at n=35A136182
• a(n) = 6*a(n-2) for n > 2; a(1) = 1, a(2) = 4.at n=23A164532
• a(n) = 6*a(n-2) for n > 2; a(1) = 4, a(2) = 1.at n=22A166027
• Expansion of 36*x^2*(1+36*x^2-6*x) / ((36*x^2+6*x+1)*(1-6*x)^2).at n=10A181635
• Expansion of 36*x^2*(1+6*x-36*x^2) / ( (1-6*x)^2 *(1+6*x+36*x^2) ).at n=10A181685