Who can explain?

[Billivy]

...{1 1 (2)3 5 (8)}

{13 21 (34) 55 89 (144)}

{233 377 (610) 987 1597 (2584)}

{4181 6765 (10946) 17711 28657 (46368)}

{75025 121393 (196418) 317811 514229 (832040)}

1028458 = (1028458)

57314 = (57314)

3194 = (3194)

178 = (178)

10 = (10)

[Xerous]

Interesting. Are {} supposed to represent mathematical set?