2519424

Appears in sequences

• Numbers of form 6^i*9^j, with i, j >= 0.at n=35A025628
• a(n) = 6*a(n-2), starting with 1, 3, 9.at n=16A026565
• Number of minimal monic annihilator polynomials over the ring of integers modulo n.at n=52A069098
• Product of consecutive previous terms (starting with 2,3).at n=16A080338
• a(n)=Product{k=0..n, 1+2^A010060(k)}/2.at n=16A101652
• Denominator of Bernoulli(n, -1/6).at n=9A158207
• G.F.: exp( Sum_{n>=1} A014578(n)*(3x)^n/n ), where A014578 is the binary expansion of Thue constant.at n=14A174470
• Denominators of reduced coefficients in expansion of e.g.f. for operads for alia algebras.at n=23A220435
• Maximal values of permanent on (0,1) square matrices of order n with row and column sums 3.at n=22A232553
• Number of permutations of n elements divided by the number of 5-ary heaps on n+1 elements.at n=42A273733
• T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2.at n=46A275401
• T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2.at n=46A275504
• a(n) = a(floor(n/2))*a(ceiling(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.at n=25A298413
• a(0) = 1; for n > 0, a(n) = A002828(n) * a(n-A002828(n)), where A002828(n) is the least number of squares that add up to n.at n=42A320002
• a(n) is the denominator of the probability that there is a survivor in "group Russian roulette" starting with n people.at n=6A372487
• The second Jordan totient function applied to the cubefull numbers: a(n) = A007434(A036966(n)).at n=24A379718