A275157 Index when the partial tiling described in A275152 is perfect (i.e., all filled squares are contiguous).

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

Offset: 1

Author

Rémy Sigrist, Nov 13 2016

Keywords

• nonn

Examples

			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
		

Links

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

Crossrefs

Cf. A275152.