A090031 - cp's OEIS frontend

A090031 Number of configurations of the 5 X 5 variant of sliding block 15-puzzle ("24-puzzle") that require a minimum of n moves to be reached, starting with the empty square in one of the corners.

n	a(n)
0	1
1	2
2	4
3	10
4	26
5	64
6	159
7	366
8	862
9	1904
10	4538
11	10238
12	24098
13	53186
14	123435
15	268416
16	616374
17	1326882
18	3021126
19	6438828
20	14524718
21	30633586
22	68513713
23	143106496
24	317305688
25	656178756
26	1442068376
27	2951523620
28	6427133737
29	13014920506
30	28070588413
31	56212979470
32	120030667717

[1, 2, 4, 10, 26, 64, 159, 366, 862, 1904, 4538, 10238, 24098, 53186, 123435, 268416, 616374, 1326882, 3021126, 6438828, 14524718, 30633586, 68513713, 143106496, 317305688, 656178756, 1442068376, 2951523620, 6427133737, 13014920506, 28070588413, 56212979470, 120030667717]

cp's OEIS Frontend

A090031 Number of configurations of the 5 X 5 variant of sliding block 15-puzzle ("24-puzzle") that require a minimum of n moves to be reached, starting with the empty square in one of the corners.

Table of values

List of values