A179997 Where records occur in A179329.

2, 4, 6, 9, 15, 25, 48, 91, 169, 336, 669, 1335, 2665, 5317, 10573, 21037, 42072, 84141, 168279, 336553, 673099, 1345639, 2691276, 5382549, 10765095, 21528959, 43057916, 86115821, 172231631, 344463251, 688926491, 1377847349, 2755694696, 5511375473, 11022750944

Offset: 1

Author

Grant Garcia, Jan 13 2011

Keywords

• nonn

Comments

a(n + 1) / a(n) converges to 2.

Crossrefs

Cf. A179329, A177980, A130904, A020639, A061228.

Extensions

Corrected and extended by Grant Garcia, Jan 19 2011

a(30)-a(35) from Amiram Eldar, Oct 25 2024