login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139519 Denominators of an Egyptian fraction for Euler-Mascheroni constant, using only prime numbers and allowing repetitions. 2
2, 13, 3433, 770741, 9157546933, 68379695298643311959, 177698848753108581519320740556520784033, 191429752162010655176200572455622919752517437701651231352646653127630507601 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Good approximation up to 801 decimal digits

MAPLE

P:=proc(n) local a, i; a:=evalf(gamma, 100); 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

Cf. A139514-A139518, A139520-A139523.

Sequence in context: A103641 A144983 A110820 * A111016 A176947 A118912

Adjacent sequences:  A139516 A139517 A139518 * A139520 A139521 A139522

KEYWORD

easy,nonn,frac

AUTHOR

Paolo P. Lava & Giorgio Balzarotti (paoloplava(AT)gmail.com), Apr 28 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 17:35 EST 2012. Contains 206061 sequences.