A382797 Odd Ulam numbers.

1, 3, 11, 13, 47, 53, 57, 69, 77, 87, 97, 99, 131, 145, 155, 175, 177, 189, 197, 209, 219, 221, 241, 243, 253, 273, 309, 319, 339, 341, 363, 409, 429, 431, 441, 451, 483, 485, 497, 585, 605, 607, 627, 673, 685, 695, 739, 751, 781, 783, 847, 849, 861, 891

Offset: 1

Author

Shyam Sunder Gupta, Apr 05 2025

Keywords

• nonn

Links

• Shyam Sunder Gupta, Table of n, a(n) for n = 1..9957
• Shyam Sunder Gupta, Ulam Numbers. In: Exploring the Beauty of Fascinating Numbers. Springer Praxis Books(). Springer, Singapore, (2025).

Crossrefs

Intersection of A005408 and A002858.