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”).

A138713
Concatenation of first n runs of A138149 (related to prime numbers).
0
11, 11000, 1100011111, 11000111110000000, 1100011111000000011111111111, 11000111110000000111111111110000000000000, 1100011111000000011111111111000000000000011111111111111111
OFFSET
1,1
CROSSREFS
Sequence in context: A114120 A118557 A267273 * A267923 A068223 A068224
KEYWORD
base,easy,nonn
AUTHOR
Omar E. Pol, Mar 29 2008
STATUS
approved