These are golden numbers, which also known as Fibonacci numbers; if you divide high number to lower one you get perfect ratio, whcih is 1,618;
1-2-3-5-8-13-21-34-55-89-144-233-377-610-987-1597-2584-….
2584/1597=1,618
1597/987=1,618
987/610=1,618
610/377=1,618
377/233=1,618
233/144=1,618

Waasup world!