1,3
Toothpick sequence: A139250.
Cf. A159786, A159787, A159788, A159789, A160124, A160126, A160127.
Sequence in context: A099087 A009545 A084102 this_sequence A151868 A052079 A166299
Adjacent sequences: A160122 A160123 A160124 this_sequence A160126 A160127 A160128
more,nonn
Omar E. Pol (info(AT)polprimos.com), May 03 2009
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