1 million digits of PI 1 billion digits of PI Mandelbrot set Explorer

Fibonacci sequence

In this sequence every element is calculated as the sum of the previous two elements. The first element is 1.

1^st	1
2^nd	1
3^rd	2
4^th	3
5^th	5
6^th	8
7^th	13
8^th	21
9^th	34
10^th	55
11^th	89
12^th	144
13^th	233
14^th	377
15^th	610
16^th	987
17^th	1597
18^th	2584
19^th	4181
20^th	6765
21^st	10946
22^nd	17711
23^rd	28657
24^th	46368
25^th	75025
26^th	121393
27^th	196418
28^th	317811
29^th	514229
30^th	832040
31^st	1346269
32^nd	2178309
33^rd	3524578
34^th	5702887
35^th	9227465
36^th	14930352
37^th	24157817
38^th	39088169
39^th	63245986
40^th	102334155
41^st	165580141
42^nd	267914296
43^rd	433494437
44^th	701408733
45^th	1134903170
46^th	1836311903
47^th	2971215073
48^th	4807526976
49^th	7778742049
50^th	12586269025
51^st	20365011074
52^nd	32951280099
53^rd	53316291173
54^th	86267571272
55^th	139583862445
56^th	225851433717
57^th	365435296162
58^th	591286729879
59^th	956722026041
60^th	1548008755920
61^st	2504730781961
62^nd	4052739537881
63^rd	6557470319842
64^th	10610209857723
65^th	17167680177565
66^th	27777890035288
67^th	44945570212853
68^th	72723460248141
69^th	117669030460994
70^th	190392490709135
71^st	308061521170129
72^nd	498454011879264
73^rd	806515533049393
74^th	1304969544928657
75^th	2111485077978050
76^th	3416454622906707
77^th	5527939700884757
78^th	8944394323791464
79^th	14472334024676221
80^th	23416728348467685
81^st	37889062373143906
82^nd	61305790721611591
83^rd	99194853094755497
84^th	160500643816367088
85^th	259695496911122585
86^th	420196140727489673
87^th	679891637638612258
88^th	1100087778366101931
89^th	1779979416004714189
90^th	2880067194370816120
91^st	4660046610375530309
92^nd	7540113804746346429
93^rd	1.2200160415122E+19