[seqfan] Re: Reciprocal Recaman

[David Wilson]

The smallest nonnegative values in

S(n) = { +- 1/1 +- 1/2 +- 1/3 +- ... +- 1/n }

for n <= 40 are

0 0/1
1 1/1
2 1/2
3 1/6
4 1/12
5 7/60
6 1/20
7 11/420
8 13/840
9 11/2520
10 11/2520
11 23/27720
12 23/27720
13 607/360360
14 251/360360
15 251/360360
16 25/144144
17 97/12252240
18 97/12252240
19 3767/232792560
20 3767/232792560
21 3767/232792560
22 457/46558512
23 24319/5354228880
24 24319/5354228880
25 7951/2974571600
26 4261/26771144400
27 13703/80313433200
28 13703/80313433200
29 872843/2329089562800
30 872843/2329089562800
31 17424097/72201776446800
32 13828799/144403552893600
33 902339/144403552893600
34 7850449/144403552893600
35 7850449/144403552893600
36 7850449/144403552893600
37 1526171/763275922437600
38 68185267/5342931457063200
39 3429883/485721041551200
40 3429883/485721041551200