Old hat? Any interest? 1 2 4 8 16 212 424 848 16816 21216212 324212424 ....... 2 4 8 10 32 54 76 98 1110 3332 5554 ....... 7 49 2863 14564221 72835422814147 49145621352814145672872849 7 14 811 1588 8121515 1589812815 81215161589812 13 1339 133939117 13393911721421637749 ....................... 13 1416 14171419 14171420141722 ............ -- Zak Seidov