A323064 Squares whose binary complement (A035327) is a cube.

0, 1, 36, 100, 484, 131044

Offset

1,3

Comments

Square roots: 0, 1, 6, 10, 22, 362.

Links

Table of n, a(n) for n=1..6.

Example

The binary complement of 100 is 27. Because 27 is a cube, 100 is in the sequence.

Prog

(PARI) isok(n) = n == 0 || (issquare(n) && ispower(2^(1+logint(n, 2))-1-n, 3))
for (n=0, 500, if (isok(n^2), print1(n^2, ", "))); \\ Michel Marcus, Jan 04 2019

Crossrefs

Cf. A035327, A000290, A000578.

Sequence in context: A027603 A250813 A268770 * A163246 A014738 A182677

Adjacent sequences: A323061 A323062 A323063 * A323065 A323066 A323067

Keyword

nonn,base,more

Author

Alex Ratushnyak, Jan 03 2019

Status

approved