A048458 'Prime last odd terms' from generation 2 onwards.

7, 23, 67, 179, 1109, 17427659, 1586875049, 7021048691, 1104052140838673681, 80729882077782801781, 49474191359283212247841, 152695677551802424534973144788818335406948326813, 50258816309715893690860594601285860231033059311672877749

Offset: 1

Author

Patrick De Geest, May 15 1999

Keywords

• nonn
• nice

Comments

Intersection of A000040 and A048457.

Links

• Nathaniel Johnston, Table of n, a(n) for n = 1..20

Crossrefs

For "Generations" see A048448-A048455. Cf. A048459. See also A047844.

Extensions

a(9) - a(13) from Nathaniel Johnston, Apr 11 2011