id:A139519 - OEIS Search Results

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Denominators of an Egyptian fraction for Euler-Mascheroni constant, using only prime numbers and allowing repetitions.

+0
3

2, 13, 3433, 770741, 9157546933, 68379695298643311959, 177698848753108581519320740556520784033, 191429752162010655176200572455622919752517437701651231352646653127630507601 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`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 this_sequence A111016 A118912 A135970` `Adjacent sequences: A139516 A139517 A139518 this_sequence A139520 A139521 A139522`
	KEYWORD	`easy,nonn,frac`
	AUTHOR	`Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Apr 28 2008`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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