0,2

The sequence gives the number of T-toothpicks in the sieve after n rounds.

See A160172 and A160714 for more information about T-toothpick sequences.

Cf. A139250, A160172, A160173, A160714, A160724, A160726.

Sequence in context: A066904 A059969 A124518 this_sequence A060304 A075868 A162335

Adjacent sequences: A160721 A160722 A160723 this_sequence A160725 A160726 A160727

more,nonn

Omar E. Pol (info(AT)polprimos.com), Jun 02 2009