1,2

Obtained from A091579 by the following transformation: replace 4 by 3, 1; replace 9 by 8, 1; 25 by 24, 1; 68 by 67, 1; 196 by 195, 1; 581 by 580, 1; 1731 by 1730, 1; 15534 by 15533, 1, etc.

Table of n, a(n) for n=1..93.

New records (see A091588) first appear at powers of 2. Also a(2n+1) = 1; a(4n+2) = 3; a(8n+4) = 8; etc.

Sequence in context: A195731 A154294 A059526 * A155789 A179393 A217598

Adjacent sequences: A091836 A091837 A091838 * A091840 A091841 A091842

nonn

N. J. A. Sloane, Mar 10 2004

approved