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A229905
Number of binary words of length n with exactly one occurrence of the subword given by the binary expansion of n.
2
0, 1, 1, 2, 4, 10, 30, 26, 78, 156, 278, 722, 1827, 3140, 7800, 5810, 21016, 40260, 76104, 173836, 394492, 520775, 1376090, 3080882, 6887040, 12734023, 28266044, 44217698, 114969792, 211934801, 464129402, 354151217, 1360414116, 2644465928, 5134476403
OFFSET
0,4
LINKS
EXAMPLE
a(1) = 1: 1.
a(2) = 1: 10.
a(3) = 2: 011, 110.
a(4) = 4: 0100, 1000, 1001, 1100.
a(5) = 10: 00101, 01010, 01011, 01101, 10100, 10110, 10111, 11010, 11011, 11101.
CROSSREFS
Column k=1 of A233940.
Sequence in context: A126349 A076315 A304124 * A361791 A102667 A337675
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 19 2013
STATUS
approved