A038491 Sums of 3 distinct powers of 11.

133, 1343, 1453, 1463, 14653, 14763, 14773, 15973, 15983, 16093, 161063, 161173, 161183, 162383, 162393, 162503, 175693, 175703, 175813, 177023, 1771573, 1771683, 1771693, 1772893, 1772903, 1773013, 1786203, 1786213, 1786323

Offset

0,1

Links

Robert Israel, Table of n, a(n) for n = 0..10000

Formula

a(A000292(m+1)+k) = a(A000292(m)+k) + 10*11^(m+2) for 0<=k<=A000217(m). - Robert Israel, Dec 23 2016

Maple

seq(seq(seq(11^a+11^b+11^c, c=0..b-1), b=1..a-1), a=2..10); # Robert Israel, Dec 23 2016

Mathematica

TakeWhile[#, # <= 1800000 &] &@ Sort@ Map[Total, 11^Subsets[Range[0, 8], {3}]] (* Michael De Vlieger, Dec 23 2016 *)

Crossrefs

Base-11 interpretation of A038445.

Cf. A000217, A000292.

Sequence in context: A117565 A357489 A274175 * A020265 A028295 A262121

Adjacent sequences: A038488 A038489 A038490 * A038492 A038493 A038494

Keyword

nonn,easy

Author

Olivier Gérard

Status

approved