1,2

A series of finite versions of an infinite problem suggested on the Sequence Fans Mailing List

R. H. Hardin, Table of n, a(n) for n=1..80

R. H. Hardin, Shortest series s(1..a(n)), n=1..80

a(5)=13 because the shortest series s() containing 1..5 is: 1 2 4 7 3 8 14 21 29 38 28 17 5

For encoded series see A176169

Sequence in context: A100953 A112835 A206625 * A308770 A222114 A308845

Adjacent sequences: A176165 A176166 A176167 * A176169 A176170 A176171

nonn

R. H. Hardin Apr 10 2010

approved