28481

Appears in sequences

• Dana Scott's sequence: a(n) = (a(n-2) + a(n-1) * a(n-3)) / a(n-4), a(0) = a(1) = a(2) = a(3) = 1.at n=18A048736
• Odd numbers seen in decimal expansion of Pi (disregarding the decimal period) contiguous, smallest and distinct.at n=41A050817
• Number of monomial terms in expansion of n-th coefficient of replicable function as a polynomial in [c1, c2, c3, c4, c5, c7, c8, c9, c11, c17, c19, c23].at n=52A112331
• Positive integers of the form (10*m^2+1)/11.at n=32A179338
• Smallest number k >= A000043(n) such that k*A000668(n)*(k*A000668(n)+1)-1 is prime.at n=23A249509
• Coefficient of x^2 in minimal polynomial of the continued fraction [1^n,1/3,1,1,1,...], where 1^n means n ones.at n=10A266701
• Sums of the next n consecutive nonsquare integers.at n=38A275740