The Louvre Museum as seen through the Louvre Pyramid glass in Paris, France. From the National Geographic book The 10 Best of Everything. Smithsonian Institution, Washington, D.C. The Smithsonian is the worldâs largest research and museum complex, with 19 museums and galleries, the National Zoological Park, and various research stations.
1 An arithmetic sequence is a sequence with the difference between two consecutive terms constant. 2  The difference is called the common difference. 3  A geometric sequence is a sequence with the ratio between two consecutive terms constant. 4  This ratio is called the common ratio.
Arithmetic Progression. An arithmetic progression, also known as an arithmetic sequence, is a sequence of numbers such that the differences between successive terms is a constant. An arithmetic progression can be generated in the Wolfram Language using the command.[ , , d ].rithmetic Progression. An arithmetic progression, also known as an arithmetic sequence, is a sequence of numbers such that the differences between successive terms is a constant. An arithmetic progression can be generated in the Wolfram Language using the command.