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A295976 Number of nonnegative solutions to (x,y) = 1 and x^3 + y^3 = n. 2
0, 2, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..91.

PROG

(PARI) {a(n) = sum(i=0, n, sum(j=0, n, if((gcd(i, j)==1) && (i^3+j^3==n), 1, 0)))}

CROSSREFS

Cf. A173677, A225530, A295819, A295977.

Sequence in context: A124749 A127844 A017877 * A095683 A219481 A298826

Adjacent sequences:  A295973 A295974 A295975 * A295977 A295978 A295979

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Dec 01 2017

STATUS

approved

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Last modified March 26 18:36 EDT 2019. Contains 321511 sequences. (Running on oeis4.)