A084389 a(n) = least positive k such that k^3 + A080761(n) is a square.

2, 1, 1, 3, 13, 1, 2, 7, 5, 3, 1, 2, 19, 1, 4, 3, 11, 6, 2, 5, 1, 3, 9, 2, 4, 1, 8, 14, 152, 5, 2, 45, 1, 10, 2, 3, 18, 7, 1, 5, 95, 4, 15, 13, 6, 9, 2, 3, 53, 1, 12, 17, 16, 5, 4, 2, 31, 7, 3, 1, 6, 21, 105, 23, 10, 2, 33, 5, 1, 3, 9, 14, 6, 7, 2, 11, 4, 1, 84, 19, 3, 5, 13, 12, 2, 741, 1, 4

Offset

1,1

Links

Table of n, a(n) for n=1..88.

Crossrefs

Cf. A080761, A084388.

Sequence in context: A066013 A212261 A014521 * A122022 A134357 A049258

Adjacent sequences: A084386 A084387 A084388 * A084390 A084391 A084392

Keyword

easy,nonn

Author

Cino Hilliard, Jun 23 2003

Status

approved