id:A135734 - OEIS Search Results

Search: id:A135734

Displaying 1-1 of 1 results found.

page 1

a(n) = p(n)*p(n+1)*p(n+2)-p(n+3)^2, where p(k) = k-th prime.

+0
2

-19, -16, 216, 712, 2070, 3670, 6588, 11712, 19308, 31582, 45178, 63022, 80052, 103632, 143248, 186258, 236092, 284848, 341020, 402568, 470740, 574164, 706338, 861324, 997642, 1101240, 1188520, 1301790, 1547098, 1861212, 2259948, 2472432, 2814606 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) > 0 for all n >= 3.`
	REFERENCES	`S. Bulman-Fleming and E. T. H. Wang, Problem 356, College Math. J., 20 (1989), 265.`
	FORMULA	`a(n)=A046301(n)-A001248(n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 06 2008`
	CROSSREFS	`Sequence in context: A088399 A106706 A099939 this_sequence A109410 A022975 A023461` `Adjacent sequences: A135731 A135732 A135733 this_sequence A135735 A135736 A135737`
	KEYWORD	`sign`
	AUTHOR	`njas, Mar 05 2008`

page 1

Search completed in 0.002 seconds

Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research