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A156750
Greedy Egyptian fraction for Pi/2
1
1, 2, 15, 243, 69282, 36600664305, 6435072487994269232829, 364103502021384610224777078613738432189483892
OFFSET
0,2
FORMULA
Sum(n>=0,1/a(n))=Pi/2
PROG
(PARI) x=Pi/2; for (k=0, 7, d=ceil(1/x); x=x-1/d; print(d, ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaume Oliver Lafont, Feb 14 2009
STATUS
approved