A094177 Sequence from an aptitude test that I cannot work out!

4, 3, 4, 9, 21, 51

Offset

1,1

Comments

Is this an erroneous version of A249453? - Arkadiusz Wesolowski, Oct 29 2014

Links

Table of n, a(n) for n=1..6.

Formula

For n>0, a(n) = 2^(n+1)-A091855(n) = 3+A128543(n). - M. F. Hasler, Nov 01 2014

Crossrefs

Sequence in context: A340768 A118701 A073254 * A249453 A244954 A353830

Adjacent sequences: A094174 A094175 A094176 * A094178 A094179 A094180

Keyword

nonn,unkn,bref

Author

Dominique Butterworth (dominique_butterworth(AT)hotmail.com), May 06 2004

Status

approved