A236231 Number of binary words of length n with exactly 2 (possibly overlapping) occurrences of the subword given by the binary expansion of n.

0, 0, 0, 1, 0, 1, 1, 13, 1, 18, 68, 142, 237, 862, 1672, 3188, 1768, 6078, 16090, 32566, 62214, 181695, 380903, 802572, 1634880, 3784693, 7871112, 17020646, 36800640, 78582498, 168074511, 206295476, 209557176, 490017420, 1097340244, 2222684855, 5116364054

Offset: 0

Author

Alois P. Heinz, Jan 20 2014

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..1000

Crossrefs

Column k=2 of A233940.