1,1

a(n) = 4 for n > 22.

Table of n, a(n) for n=1..91.

S. Eliahou and D. Hachez, On a problem of Steinhaus concerning binary sequences

Sequence in context: A242394 A030568 A017593 * A256256 A280802 A124353

Adjacent sequences: A096283 A096284 A096285 * A096287 A096288 A096289

nonn

Ralf Stephan, Aug 01 2004

approved