A235533 Positive integers n that cannot be represented as the form of a+b+c or a+b-c where a, b, c are perfect square numbers not larger than n (including 0).

15, 55, 87, 95, 143, 255, 303, 447, 551, 735, 1007, 1295, 2103, 2407, 3495, 5447, 5727

Offset

1,1

Comments

No other terms < 10^8. Sequence is probably finite. - Giovanni Resta, Jan 16 2014

Links

Table of n, a(n) for n=1..17.

Crossrefs

Cf. A223731.

Sequence in context: A240814 A379122 A225509 * A039369 A119138 A043192

Adjacent sequences: A235530 A235531 A235532 * A235534 A235535 A235536

Keyword

nonn,more

Author

Iodizon Aleph, Jan 11 2014

Status

approved