The 64 hexagrams of the I Ching

Bottom/Top

Heaven

Lake

Fire

Thunder

Wind

Water

Mountain

Earth

Heaven

01-63

43-62

14-61

34-60

09-59

05-58

26-57

11-56

Lake

10-55

58-54

38-53

54-52

61-51

60-50

41-49

19-48

Fire

13-47

49-46

30-45

55-44

37-43

63-42

22-41

36-40

Thunder

25-39

17-38

21-37

51-36

42-35

03-34

27-33

24-32

Wind

44-31

28-30

50-29

32-28

57-27

48-26

18-25

46-24

Water

06-23

47-22

64-21

40-20

59-19

29-18

04-17

07-16

Mountain

33-15

31-14

56-13

62-12

53-11

39-10

52-09

15-08

Earth

12-07

45-06

35-05

16-04

20-03

08-02

23-01

02-00

In the above table, the first number is the traditional number and the second number is the binary number. The table is ordered in the binary sequence starting top row left and finishing bottom row right.
Each hexagram is made-up of two trigrams, the elemental names of each trigram are given at the start of each row (bottom trigram) and at the top of each column (top trigram).

I Ching related finer details & reference list