A225921 - cp's OEIS frontend

A225921 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+6) and a(1) = 1.

n	a(n)
1	1
2	14
3	50
4	150
5	427
6	1195
7	3324
8	9226
9	25587
10	70942
11	196672
12	545212
13	1511411
14	4189842
15	11614806
16	32197786
17	89256522
18	247430866
19	685911016
20	1901435842
21	5271031028
22	14611993445
23	40506373648
24	112289011899
25	311279955644
26	862909105217
27	2392097886032
28	6631210937220
29	18382591594862

[1, 14, 50, 150, 427, 1195, 3324, 9226, 25587, 70942, 196672, 545212, 1511411, 4189842, 11614806, 32197786, 89256522, 247430866, 685911016, 1901435842, 5271031028, 14611993445, 40506373648, 112289011899, 311279955644, 862909105217, 2392097886032, 6631210937220, 18382591594862]

cp's OEIS Frontend

A225921 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+6) and a(1) = 1.

Table of values

List of values