Table 2.3
Number of Constitutionally Isomeric Alkanes
CH41 C8H1818
C2H61 C9H2035
C3H81 C10H2275
C4H102 C15H324,347
C5H123 C20H42366,319
C6H145 C40H8262,491,178,805,831
C7H169