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

1,2

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.

Sequence in context: A225097 A079665 A281728 * A083992 A370488 A105290

Adjacent sequences: A382794 A382795 A382796 * A382798 A382799 A382800

Keyword

nonn

Author

Shyam Sunder Gupta, Apr 05 2025

Status

approved