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Revision History for A272376 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

newer changes | Showing entries 11-20
Twin primes both of which are the sum of three positive cubes.
(history; published version)
#10 by Michel Marcus at Fri Apr 29 00:09:46 EDT 2016
STATUS

editing

proposed

#9 by Michel Marcus at Fri Apr 29 00:09:40 EDT 2016
CROSSREFS
STATUS

proposed

editing

#8 by Giovanni Resta at Thu Apr 28 08:42:46 EDT 2016
STATUS

editing

proposed

#7 by Giovanni Resta at Thu Apr 28 08:42:22 EDT 2016
DATA

2267, 2269, 3527, 3529, 10331, 10333, 14867, 14869, 17207, 17209, 18521, 18523, 18917, 18919, 20231, 20233, 20357, 20359, 25577, 25579, 27791, 27793, 28547, 28549, 31247, 31249, 35279, 35281, 36899, 36901, 40697, 40699, 44279, 44281, 48779, 48781, 51479, 51481, 57221, 57223, 57329, 57331, 61379, 61381, 81017, 81019, 81899, 81901, 102761, 102763, 105767, 105769, 108287, 108289, 109619, 109621, 110879, 110881, 112337, 112339, 114659, 114661, 117701, 117703, 118619, 118621, 127709, 127711, 132047, 132049

MATHEMATICA

cu[n_] := {}!=Quiet@ IntegerPartitions[n, {3}, Range[n^(1/3)]^3, 1]; Flatten@ Rest@ Reap@ Do[If[ PrimeQ[p+2] && cu[p] && cu[p+2], Sow[{p, p+2}]], {p, Prime@ Range@ 10000}] (* Giovanni Resta, Apr 28 2016 *)

STATUS

proposed

editing

#6 by Altug Alkan at Thu Apr 28 07:35:35 EDT 2016
STATUS

editing

proposed

#5 by Altug Alkan at Thu Apr 28 07:34:50 EDT 2016
NAME

Twin primes that are the sum of three positive cubes.

Discussion
Thu Apr 28
07:35
Altug Alkan: Maybe data section is too much. Best regards.
#4 by Altug Alkan at Thu Apr 28 07:31:28 EDT 2016
CROSSREFS

Cf. A007490.

STATUS

proposed

editing

#3 by Carmine Suriano at Thu Apr 28 06:49:27 EDT 2016
STATUS

editing

proposed

#2 by Carmine Suriano at Thu Apr 28 06:49:11 EDT 2016
NAME

allocated for Carmine SurianoTwin primes that are the sum of three cubes.

DATA

2267, 2269, 3527, 3529, 10331, 10333, 14867, 14869, 17207, 17209, 18521, 18523, 18917, 18919, 20231, 20233, 20357, 20359, 25577, 25579, 27791, 27793, 28547, 28549, 31247, 31249, 35279, 35281, 36899, 36901, 40697, 40699, 44279, 44281, 48779, 48781, 51479, 51481, 57221, 57223, 57329, 57331, 61379, 61381, 81017, 81019, 81899, 81901, 102761, 102763, 105767, 105769, 108287, 108289, 109619, 109621, 110879, 110881, 112337, 112339, 114659, 114661, 117701, 117703, 118619, 118621, 127709, 127711, 132047, 132049

OFFSET

1,1

EXAMPLE

a(3)=3527, a(4)=3529 since 3527=3^3+5^3+15^3 and 3529=1^3+11^3+13^3.

CROSSREFS
KEYWORD

allocated

nonn

AUTHOR

Carmine Suriano, Apr 28 2016

STATUS

approved

editing

#1 by Carmine Suriano at Thu Apr 28 06:49:11 EDT 2016
NAME

allocated for Carmine Suriano

KEYWORD

allocated

STATUS

approved