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A236233 Number of binary words of length n with exactly 4 (possibly overlapping) occurrences of the subword given by the binary expansion of n. 2
2, 0, 0, 1, 0, 0, 1, 0, 829, 0, 1, 135, 33, 1, 13240, 6875, 4214, 1120, 32898, 13380, 916700, 124480, 1436212, 984719, 64373760, 126300, 1658572, 10718156, 10201655, 151128452, 59698016, 302737587, 335666252, 302196960, 1826553416, 42810588352, 9670953778 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..1000

CROSSREFS

Column k=4 of A233940.

Sequence in context: A078128 A191269 A216602 * A112607 A161371 A327928

Adjacent sequences: A236230 A236231 A236232 * A236234 A236235 A236236

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jan 20 2014

STATUS

approved

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Last modified February 1 05:08 EST 2023. Contains 359981 sequences. (Running on oeis4.)