88573

Appears in sequences

• a(n) = (3^n - 1)/2.at n=11A003462
• Number of free subsets of multiplicative group of GF(3^n).at n=10A007231
• Cyclotomic polynomials at x=3.at n=11A019321
• Strong pseudoprimes to base 3.at n=21A020229
• Cyclotomic polynomials at x=-3.at n=22A020502
• Gaussian binomial coefficients [ n,10 ] for q = 3.at n=1A022201
• Sublattices of index n in generic 11-dimensional lattice.at n=2A038998
• Erroneous version of A003462.at n=9A045886
• a(n) = 2*a(n-1) + 3*a(n-2), a(0) = a(1) = 1.at n=11A046717
• Numbers that are repdigits in base 3.at n=21A048328
• a(n) = a(n-1) + 3*a(n-2) - 3*a(n-3), with a(0)=a(1)=1, a(2)=4.at n=20A052993
• a(n) = a(n-1) + 3*a(n-2) - 3*a(n-3), with a(0)=a(1)=1, a(2)=4.at n=21A052993
• Number of primitive (aperiodic) palindromic structures using a maximum of three different symbols.at n=23A056477
• Number of primitive (period n) periodic palindromic structures using a maximum of three different symbols.at n=23A056514
• a(n) = Sum_{j=0..10} n^j.at n=3A060885
• Zsigmondy numbers for a = 3, b = 1: Zs(n, 3, 1) is the greatest divisor of 3^n - 1^n (A024023) that is relatively prime to 3^m - 1^m for all positive integers m < n.at n=10A064079
• Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=10.at n=2A068027
• Numbers of the form (3^{mr}-1)/(3^r-1) for positive integers m, r.at n=27A076270
• Binomial transform of Jacobsthal gap sequence (A080924).at n=11A080925
• Maximal cycle lengths in a certain class of one-dimensional cellular automata.at n=20A085590