A066647 Squares of the form a^2 + b^3 with a, b > 0.

9, 36, 100, 196, 225, 289, 441, 576, 784, 841, 1225, 1296, 1764, 1849, 2025, 2304, 3025, 3249, 3600, 3844, 3969, 4356, 5776, 6084, 6400, 6561, 8100, 8281, 9801, 11025, 12544, 13924, 14161, 14400, 15129, 16129, 16641, 17424, 18496, 19600

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Example

29^2 = a(9) = 841 = 625 + 216 = 25^2 + 6^3.

Crossrefs

Cf. A055394, A066648.

Sequence in context: A027602 A231670 A134537 * A187607 A231674 A085037

Adjacent sequences: A066644 A066645 A066646 * A066648 A066649 A066650

Keyword

nonn

Author

Reinhard Zumkeller, Dec 17 2001

Status

approved