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A139521
Denominators of an Egyptian Fraction for sqrt(2), using only prime numbers and allowing repetitions.
2
2, 2, 3, 13, 257, 15131, 83002267, 1696274711037607, 62384117997457733544603820483, 36029882103194027595685829384642730184657157184554323517
OFFSET
0,1
COMMENTS
Good approximation up to 799 decimal digits
MAPLE
P:=proc(n) local a, i; a:=evalf((sqrt(2))-1, 100); print(2); print(2); for i from 1 by 1 to n do if 1/ithprime(i)<a then a:=a-1/ithprime(i); print(a); print(ithprime(i)); fi; od; end: P(100000);
CROSSREFS
KEYWORD
easy,nonn,frac
AUTHOR
STATUS
approved