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A038482 Sums of 3 distinct powers of 7. 0
57, 351, 393, 399, 2409, 2451, 2457, 2745, 2751, 2793, 16815, 16857, 16863, 17151, 17157, 17199, 19209, 19215, 19257, 19551, 117657, 117699, 117705, 117993, 117999, 118041, 120051, 120057, 120099, 120393, 134457, 134463, 134505 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..32.

MATHEMATICA

Union[Total/@Subsets[7^Range[0, 10], {3}]] (* Harvey P. Dale, May 06 2014 *)

CROSSREFS

Base 7 interpretation of A038445.

Sequence in context: A157651 A251263 A043399 * A209517 A097200 A211147

Adjacent sequences:  A038479 A038480 A038481 * A038483 A038484 A038485

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified October 28 19:21 EDT 2020. Contains 338064 sequences. (Running on oeis4.)