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

Author

Ilya Gutkovskiy, Dec 07 2023

Keywords

• nonn

Links

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

Crossrefs

Cf. A000578, A000583, A022549, A100291.

Programs

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