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, A160716, A160724.

Sequence in context: A006580 A061814 A087254 this_sequence A062717 A084922 A047185

Adjacent sequences: A160723 A160724 A160725 this_sequence A160727 A160728 A160729

more,nonn

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