15 lines
255 B
Text
15 lines
255 B
Text
FIBONACCI2
|
|
=LAMBDA(n,
|
|
INDEX(
|
|
FOLDL(
|
|
LAMBDA(ab,
|
|
LAMBDA(_,
|
|
APPEND(INDEX(ab, 2))(SUM(ab))
|
|
)
|
|
)
|
|
)({0;1})(
|
|
ENUMFROMTO(1)(n)
|
|
),
|
|
1
|
|
)
|
|
)
|