1102248

Appears in sequences

• Product of nonzero digits of A066549(n).at n=13A066582
• Expansion of g.f. ((1+x)/(1-3*x))^2.at n=10A113071
• Coefficients of expansion polynomials related to fish weight allometric equation: p(x,t)=-Exp[t*x]*(1 - Exp[t/3])^3.at n=26A171506
• Integer areas A of the integer-sided triangles such that the length of the inradius and the circumradius are both a perfect square.at n=9A232274
• Smallest number m such that repeated application of A235600 takes n steps to reach 1, where A235600(k) = k/A007953(k) if the digital sum A007953(k) divides k, A235600(k) = k otherwise.at n=6A235601
• Integers equal to the least common multiple of the set of numbers generated by all the differences between their consecutive divisors, taken in increasing order.at n=23A298045
• a(n) is the square of the side length of a simplex whose n-dimensional inner hypervolume is equal to its (n-1)-dimensional surface hypervolume. As a result, the sequence starts at n=2.at n=25A364922
• a(n) = 4*(-3)^n + 3*(-2)^n + 3*2^n - (-3)^n*2^(n + 1) + 2*3^n*(2^n - 2).at n=6A381134
• Position of records in A389235.at n=5A389302