A038476 Sums of 4 distinct powers of 5.

156, 656, 756, 776, 780, 3156, 3256, 3276, 3280, 3756, 3776, 3780, 3876, 3880, 3900, 15656, 15756, 15776, 15780, 16256, 16276, 16280, 16376, 16380, 16400, 18756, 18776, 18780, 18876, 18880, 18900, 19376, 19380, 19400, 19500, 78156, 78256, 78276, 78280, 78756, 78776, 78780

Offset

1,1

Links

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

Mathematica

With[{upto=80000}, Select[Total/@Subsets[5^Range[0, Floor[Surd[upto-31, 5]]], {4}], #<=upto&]]//Union (* Harvey P. Dale, Mar 13 2019 *)

Crossrefs

Base 5 interpretation of A038446.

Cf. A000351, A038474, A038475, A038477.

Sequence in context: A106056 A259947 A043356 * A158550 A156994 A304619

Adjacent sequences: A038473 A038474 A038475 * A038477 A038478 A038479

Keyword

nonn,easy

Author

Olivier Gérard

Extensions

Offset corrected by Amiram Eldar, Jul 13 2022

Status

approved