1,2

Number of E-Toothpicks added to the E-Toothpick sieve at the nth round.

Cf. A139251, A160121, A160173, A161328, A161331.

Sequence in context: A137700 A071810 A137576 this_sequence A111745 A098957 A143245

Adjacent sequences: A161326 A161327 A161328 this_sequence A161330 A161331 A161332

more,nonn

Omar E. Pol (info(AT)polprimos.com), Jun 07 2009