A038482 Sums of 3 distinct powers of 7.

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, 134799, 136857, 823551, 823593

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Mathematica

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

Crossrefs

Base-7 interpretation of A038445.

Cf. A000420, A038481, A038483.

Sequence in context: A367277 A371515 A043399 * A378064 A209517 A097200

Adjacent sequences: A038479 A038480 A038481 * A038483 A038484 A038485

Keyword

nonn,easy

Author

Olivier Gérard

Extensions

Offset corrected by Amiram Eldar, Jul 14 2022

Status

approved