A046894 - OEIS

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A046894

Numbers expressible as p^3 + q^3 with p, q prime in at least two ways.

6058655748, 6507811154, 12906787894, 20593712932, 140253191624, 293833825922, 1087909914364, 1103283061146, 1361780473538, 1421173058634, 1479220098876, 1633040181864, 2671279610454, 4162315049802, 5031989043172 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`All terms less than 2^63 are expressible in only two ways. Every term produces two terms in A125063.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1604 (terms < 2^63)` `C. Rivera, The prime version of the taxicab problem`
	EXAMPLE	`First few examples are 6058655748 = 61^3 + 1823^3 = 1049^3 + 1699^3` `6507811154 = 31^3 + 1867^3 = 397^3 + 1861^3` `12906787894 = 593^3 + 2333^3 = 1787^3 + 1931^3` `20593712932 = 71^3 + 2741^3 = 977^3 + 2699^3` `140253191624 = 1321^3 + 5167^3 = 3853^3 + 4363^3` `293833825922 = 1567^3 + 6619^3 = 3769^3 + 6217^3`
	CROSSREFS	`Sequence in context: A104830 A198174 A034646 * A145552 A172663 A004675` `Adjacent sequences: A046891 A046892 A046893 * A046895 A046896 A046897`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified February 16 16:51 EST 2012. Contains 205938 sequences.