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A258262 Cubes that are a sum of the cubes of three primes. 2
128787625, 153130375, 356400829, 647214625, 1102302937, 1115157653, 1214767763, 1454419637, 3463512697, 14796346375, 18630700451, 21184951663, 21323063917, 21740999671, 24820429213, 29704593673, 32005984375, 38580208939, 51770001583, 53540005609, 68769820673, 74352915125, 89374579111, 94507253875, 113872553423 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See comment in A258865.

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..367

EXAMPLE

.   n |          a(n)

. ----+----------------------------------------------------

.   1 |     128787625 |   505^3 |  59^3 + 163^3 + 499^3

.   2 |     153130375 |   535^3 |  349^3 + 379^3 + 383^3

.   3 |     356400829 |   709^3 |  193^3 + 461^3 + 631^3

.   4 |     647214625 |   865^3 |  11^3 + 607^3 + 751^3

.   5 |    1102302937 |  1033^3 |  599^3 + 691^3 + 823^3

.   6 |    1115157653 |  1037^3 |  59^3 + 233^3 + 1033^3

.   7 |    1214767763 |  1067^3 |  97^3 + 269^3 + 1061^3

.   8 |    1454419637 |  1133^3 |  577^3 + 797^3 + 911^3

.   9 |    3463512697 |  1513^3 |  337^3 + 967^3 + 1361^3

.  10 |   14796346375 |  2455^3 |  1049^3 + 1789^3 + 1993^3

.  11 |   18630700451 |  2651^3 |  281^3 + 1889^3 + 2281^3

.  12 |   21184951663 |  2767^3 |  103^3 + 2179^3 + 2213^3

.  13 |   21323063917 |  2773^3 |  331^3 + 467^3 + 2767^3

.  14 |   21740999671 |  2791^3 |  769^3 + 1879^3 + 2447^3

.  15 |   24820429213 |  2917^3 |  31^3 + 1951^3 + 2591^3

.  16 |   29704593673 |  3097^3 |  1237^3 + 2081^3 + 2659^3

.  17 |   32005984375 |  3175^3 |  809^3 + 1789^3 + 2953^3

.  18 |   38580208939 |  3379^3 |  641^3 + 1993^3 + 3121^3

.  19 |   51770001583 |  3727^3 |  1399^3 + 1667^3 + 3541^3

.  20 |   53540005609 |  3769^3 |  11^3 + 1783^3 + 3631^3

.  21 |   68769820673 |  4097^3 |  1187^3 + 1861^3 + 3929^3

.  22 |   74352915125 |  4205^3 |  1657^3 + 1697^3 + 4019^3

.  23 |   89374579111 |  4471^3 |  1931^3 + 3163^3 + 3697^3

.  24 |   94507253875 |  4555^3 |  521^3 + 2833^3 + 4153^3

.  25 |  113872553423 |  4847^3 |  593^3 + 1237^3 + 4817^3  .

PROG

(Haskell)

a258262 n = a258262_list !! (n-1)

a258262_list = filter ((== 1) . a010057) a258865_list

CROSSREFS

Cf. A010057, A258865, A030078, A048766.

Sequence in context: A256118 A036341 A184648 * A059092 A147715 A251400

Adjacent sequences:  A258259 A258260 A258261 * A258263 A258264 A258265

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jun 13 2015

STATUS

approved

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Last modified April 18 02:38 EDT 2021. Contains 343072 sequences. (Running on oeis4.)