A053179 Numbers ending in 3 which are not prime.

33, 63, 93, 123, 133, 143, 153, 183, 203, 213, 243, 253, 273, 303, 323, 333, 343, 363, 393, 403, 413, 423, 453, 473, 483, 493, 513, 533, 543, 553, 573, 583, 603, 623, 633, 663, 693, 703, 713, 723, 753, 763, 783, 793, 803, 813, 833, 843, 873, 893, 903, 913

Offset: 1

Author

Enoch Haga, Feb 29 2000

Keywords

• easy
• nonn
• base

Crossrefs

Cf. A030431.

Extensions

Terms corrected by Sean A. Irvine, Dec 16 2021