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p(p(x)) (Posted on 2005-06-11) Difficulty: 2 of 5
3, 5, 11, 17, 31, 41, 59, 67, ?

See The Solution Submitted by Dustin    
Rating: 2.4000 (5 votes)

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Solution very short computer program | Comment 7 of 8 |

10   for I=1 to 45
20    print I,prm(prm(I))
30   next

 

1       3
2       5
3       11
4       17
5       31
6       41
7       59
8       67
9       83
10      109
11      127
12      157
13      179
14      191
15      211
16      241
17      277
18      283
19      331
20      353
21      367
22      401
23      431
24      461
25      509
26      547
27      563
28      587
29      599
30      617
31      709
32      739
33      773
34      797
35      859
36      877
37      919
38      967
39      991
40      1031
41      1063
42      1087
43      1153
44      1171
45      1201

and continuing:

46      1217
47      1297
48      1409
49      1433
50      1447
51      1471
52      1499
53      1523
54      1597
55      1621
56      1669
57      1723
58      1741
59      1787
60      1823
61      1847
62      1913
63      2027
64      2063
65      2081
66      2099
67      2221
68      2269
69      2341
70      2351
71      2381
72      2417
73      2477
74      2549
75      2609
76      2647
77      2683
78      2719
79      2749
80      2803
81      2897
82      2909
83      3001
84      3019
85      3067
86      3109
87      3169
88      3229
89      3259
90      3299

 


  Posted by Charlie on 2009-02-23 16:47:45
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