login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A194283
Numbers n such that at stage n of A194270 appears for first time a new distinct polygonal shape in the structure.
1
4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 16, 21
OFFSET
1,1
COMMENTS
This sequence contains at least 25 terms. The last term is > 200, if this sequence is finite. See also A194277.
For more information about the polygonal shapes in the structure of A194270 see A194276 and A194278.
KEYWORD
nonn,hard,more
AUTHOR
Omar E. Pol, Sep 02 2011
STATUS
approved