a(1) = least k such that 1 + 1/2 < H(k) - H(2); a(2) = least k such that H(a(1)) - 1/2 < H(k) -H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number.
A227965
a(1) = least k such that 1 + 1/2 < H(k) - H(2); a(2) = least k such that H(a(1)) - 1/2 < H(k) -H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number.
Terms
- a(0) =11a(1) =53a(2) =249a(3) =1164a(4) =5435a(5) =25371a(6) =118428a(7) =552798a(8) =2580343a(9) =12044484a(10) =56221045a(11) =262427666a(12) =1224955522a(13) =5717827134a(14) =26689578960a(15) =124581175389a(16) =581517950673
External references
- oeis: A227965