A367984 Numbers that are the sum of a nonnegative cube and a fourth power of a nonnegative integer.

0, 1, 2, 8, 9, 16, 17, 24, 27, 28, 43, 64, 65, 80, 81, 82, 89, 108, 125, 126, 141, 145, 206, 216, 217, 232, 256, 257, 264, 283, 297, 320, 343, 344, 359, 381, 424, 472, 512, 513, 528, 593, 599, 625, 626, 633, 652, 689, 729, 730, 745, 750, 768, 810, 841, 968, 985, 1000

Offset

1,3

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

M:= 10000: # for terms <= M
Cubes:= {seq(i^3, i=0..floor(M^(1/3)))}:
Fourths:= {seq(i^4, i=0..floor(M^(1/4)))}:
sort(convert(select(`<=`, {seq(seq(a+b, a=Cubes), b=Fourths)}, M), list)); # Robert Israel, Dec 05 2024

Crossrefs

Cf. A000578, A000583, A022549, A100291.

Sequence in context: A158458 A056805 A226825 * A046679 A004999 A105125

Adjacent sequences: A367981 A367982 A367983 * A367985 A367986 A367987

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 07 2023

Status

approved