login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A090032 Number of configurations of the 6 X 6 variant of Sam Loyd's sliding block 15-puzzle ("35-puzzle") that require a minimum of n moves to be reached, starting with the empty square in one of the corners. 3
1, 2, 4, 10, 26, 66, 171, 440, 1112, 2786, 6820, 16720, 41106, 100856, 245793, 597030, 1441292 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

See A087725.

LINKS

Table of n, a(n) for n=0..16.

Hugo Pfoertner, Configuration counts for n*n sliding block puzzles.

PROG

See link in A089473.

CROSSREFS

Cf. A087725, A089473, A089484, A090031.

Sequence in context: A239076 A217988 A295704 * A090377 A151278 A307756

Adjacent sequences:  A090029 A090030 A090031 * A090033 A090034 A090035

KEYWORD

fini,hard,more,nonn

AUTHOR

Hugo Pfoertner, Nov 25 2003

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 13 04:20 EST 2019. Contains 329085 sequences. (Running on oeis4.)