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A297526 Number of binary words w of length n such that the number of distinct blocks of length k that w contains is <= k+2 for all k. 0
1, 2, 4, 8, 16, 32, 64, 128, 208, 338, 482, 684, 918, 1218, 1526, 1958, 2392, 2918, 3490, 4182, 4888, 5752, 6598, 7626, 8700, 9906, 11110, 12592, 14066, 15700, 17386, 19286, 21188, 23390, 25522, 27994, 30492, 33186, 35900, 39024, 42110, 45428, 48802, 52530, 56240, 60368, 64366, 68842, 73390, 78188, 82966 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..50.

CROSSREFS

Cf. A260881, which is the same sequence with "k+2" replaced by "k+1".

Sequence in context: A286660 A009641 A089889 * A229617 A306316 A275061

Adjacent sequences:  A297523 A297524 A297525 * A297527 A297528 A297529

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, Dec 31 2017

STATUS

approved

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Last modified August 9 21:08 EDT 2022. Contains 356026 sequences. (Running on oeis4.)