A076877 - OEIS

A076877

a(n) = A020330(n) / n.

3, 5, 5, 9, 9, 9, 9, 17, 17, 17, 17, 17, 17, 17, 17, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 129, 129, 129, 129, 129, 129

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

Ralf Stephan, Some divide-and-conquer sequences with (relatively) simple ordinary generating functions, 2004.

Ralf Stephan, Table of generating functions.

FORMULA

a(n) = 1 + 2^(1 + Log2(n)), with Log2 = A000523.

a(n) = 1 + 2*A053644(n).

a(n) = 1 + A062383(n).

EXAMPLE