74935

Appears in sequences

• a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}.at n=19A024399
• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A014306.at n=44A024467
• Expansion of (1 + 4*x + 14*x^2 + 34*x^3 + 63*x^4 + 80*x^5 + 87*x^6 + 68*x^7 + 42*x^8 + 20*x^9 + 7*x^10) / ((1 - x)*(1 - x^2)^2*(1 - x^3)^2*(1 - x^4)).at n=18A055384
• Engel expansion of Sum_{k>=0} 1/(1 + k)^k.at n=10A063184
• Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers.at n=27A130218
• Numbers n such that n^6+6 and n^6-6 are prime.at n=10A239429