A050822 Odd numbers in Hofstadter Q-sequence a(n)=a(n-a(n-1))+a(n-a(n-2)).

1, 1, 3, 3, 5, 5, 9, 11, 11, 17, 17, 21, 19, 21, 23, 23, 25, 33, 31, 35, 33, 39, 37, 39, 39, 41, 43, 43, 43, 45, 47, 47, 41, 53, 55, 61, 57, 71, 63, 73, 63, 71, 61, 71, 77, 65, 71, 69, 77, 75, 73, 77, 79, 79, 75, 77, 83, 83, 85, 85, 83, 87, 87, 87, 91, 93, 115, 93, 101, 111

Offset

1,3

Links

Table of n, a(n) for n=1..70.

Crossrefs

Cf. A005185.

Sequence in context: A146253 A147040 A146277 * A187494 A283843 A241508

Adjacent sequences: A050819 A050820 A050821 * A050823 A050824 A050825

Keyword

nonn,easy

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers

Status

approved