175099

Appears in sequences

• a(n) = 3^n - 2^n.at n=11A001047
• Nexus numbers: a(n) = (n+1)^11 - n^11.at n=2A022527
• G.f.: (2-x)/((1+2x)(1-3x)); e.g.f.: exp(3x)+exp(-2x); a(n)=3^n+(-2)^n.at n=11A087451
• Number of distinct values taken by the sums of all subsets of the n-th roots of unity.at n=21A107861
• Zsigmondy numbers for a = 3, b = 2: Zs(n, 3, 2) is the greatest divisor of 3^n - 2^n (A001047) that is relatively prime to 3^m - 2^m for all positive integers m < n.at n=10A109325
• 3^p - 2^p, where p = prime(n).at n=4A135171
• The number s(j) such that n divides s(k)-s(j)>0, where k is the least positive integer for which such a j exists, and s(j)=3^j-2^j.at n=52A205109
• Number of second differences of arrays of length n + 2 of numbers in 0..2.at n=8A228212
• Number of third differences of arrays of length n+3 of numbers in 0..2.at n=7A228254
• Number of achiral color patterns (set partitions) for a row or loop of length n using exactly 3 colors (sets).at n=23A304973