A000796Decimal expansion of Pi (or digits of Pi).

3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 8, 9, 7, 9, 3, …

The first 4 terms appear at position 3,496.

…2091444210067510334671103141267111369908658516398315…
position 3,496
termsstringfirst positionoccurrences
13999,986,911
2311379,995,316
33142,120999,731
431413,49699,801
53141588,00810,009
6314159176,4511,002
7314159225,198,14099
83141592650,366,47214
9314159265not within 1,000,000,0000
103141592653not within 1,000,000,0000
1131415926535not within 1,000,000,0000
12314159265358not within 1,000,000,0000

Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.