Voozh

A337133

Numbers of the form x^2+2*y^3+3*z^4 for nonnegative x, y, z.

0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 12, 14, 16, 17, 18, 19, 20, 21, 23, 25, 27, 28, 30, 32, 35, 36, 38, 39, 41, 44, 48, 49, 50, 51, 52, 54, 55, 57, 58, 59, 61, 63, 64, 65, 66, 67, 68, 69, 70, 73, 75, 79, 80, 81, 82, 83, 84, 86, 89, 90, 93, 97, 99, 100, 102, 103, 105, 106, 111, 112, 113, 114, 116, 118

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

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

MAPLE

N:= 200: # for terms <= N

E1:= {seq(3*z^4, z=0..floor((N/3)^(1/4)))}:

E2:= map(t -> seq(t+2*y^3, y=0..floor(((N-t)/2)^(1/3))), E1):

E3:= map(t -> seq(t+x^2, x=0..floor(sqrt(N-t))), E2):

sort(convert(E3, list));

CROSSREFS