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”).

A213976
a(n) = n-th term of A106750 reversed.
2
2, 1, 21, 121, 21121, 12121121, 2112112121121, 121211212112112121121, 2112112121121121211212112112121121, 1212112121121121211212112112121121121211212112112121121, 21121121211211212112121121121211211212112121121121211212112112121121121211212112112121121
OFFSET
0,1
COMMENTS
Arises in analyzing factors of A003842.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 05 2012
STATUS
approved