a(n) is the least k such that f(a(n-1)+1) + ... + f(k) > f(a(n-2)+1) + ... + f(a(n-1)) for n > 1, where f(n) = 1/(n+4) and a(1) = 1.
A225919
a(n) is the least k such that f(a(n-1)+1) + ... + f(k) > f(a(n-2)+1) + ... + f(a(n-1)) for n > 1, where f(n) = 1/(n+4) and a(1) = 1.
Terms
- a(0) =1a(1) =11a(2) =40a(3) =124a(4) =367a(5) =1070a(6) =3104a(7) =8989a(8) =26016a(9) =75280a(10) =217815a(11) =630210a(12) =1823388a(13) =5275597a(14) =15263836a(15) =44162700a(16) =127775471a(17) =369691398a(18) =1069624136a(19) =3094731965a(20) =8953954568a(21) =25906380024a(22) =74954649447a(23) =216865477466a(24) =627454543012
External references
- oeis: A225919