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A275157 Index when the partial tiling described in A275152 is perfect (i.e., all filled squares are contiguous). 2
1, 2, 3, 4, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 23, 25, 27, 28, 34, 35, 36, 37, 44, 48, 50, 53, 55, 60, 62, 63, 66, 67, 68, 69, 83, 87, 91, 93, 95, 100, 103, 106, 108, 110, 111, 113, 115, 120, 123, 126, 127, 130, 131, 132, 133, 134, 156, 165, 176, 181, 185 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..2500

EXAMPLE

The following table depicts the first partial tilings described in A275152 ("X" denotes a filled square); perfect tilings are marked as such:

Index  Perfect ?  Partial tiling described in A275152

-----  ---------  -----------------------------------

1      *          X

2      *          XX

3      *          XXXX

4      *          XXXXX

5                 XXXXXX X

6      *          XXXXXXXX

7      *          XXXXXXXXXX

8      *          XXXXXXXXXXXXX

9                 XXXXXXXXXXXXXX  X

10     *          XXXXXXXXXXXXXXXXXX

11                XXXXXXXXXXXXXXXXXXX X

12     *          XXXXXXXXXXXXXXXXXXXXXXX

13     *          XXXXXXXXXXXXXXXXXXXXXXXXX

14     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXX

15     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

16     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

17                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX   X

18                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XX

19     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

20                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X

21                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X

22                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XX

23     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

24                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X

25     *          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

CROSSREFS

Cf. A275152.

Sequence in context: A160697 A131629 A167701 * A336824 A114149 A294652

Adjacent sequences:  A275154 A275155 A275156 * A275158 A275159 A275160

KEYWORD

nonn

AUTHOR

Rémy Sigrist, Nov 13 2016

STATUS

approved

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Last modified October 19 11:21 EDT 2021. Contains 348088 sequences. (Running on oeis4.)