A144548 Squares and cubes of nonprimes (without repetition).

0, 1, 16, 36, 64, 81, 100, 144, 196, 216, 225, 256, 324, 400, 441, 484, 512, 576, 625, 676, 729, 784, 900, 1000, 1024, 1089, 1156, 1225, 1296, 1444, 1521, 1600, 1728, 1764, 1936, 2025, 2116, 2304, 2401, 2500, 2601, 2704, 2744, 2916, 3025, 3136, 3249, 3364

Offset

1,3

Links

Table of n, a(n) for n=1..48.

Example

a(1)=0 (square nonprime 0=cube nonprime 0), a(2)=1 (square nonprime 1=cube nonprime 1), a(3)=16 (square nonprime 4), a(4)=36 (square nonprime 6), a(5)=64 (square nonprime 8=cube nonprime 4), etc.

Crossrefs

Cf. A141468.

Sequence in context: A347747 A359767 A253260 * A161753 A062312 A326709

Adjacent sequences: A144545 A144546 A144547 * A144549 A144550 A144551

Keyword

nonn

Author

Juri-Stepan Gerasimov, Dec 31 2008

Extensions

1156 inserted, 2309 replaced by 2304 by R. J. Mathar, Jan 03 2009

Status

approved