id:A048246 - OEIS Search Results

Search: id:A048246

Displaying 1-1 of 1 results found.

page 1

Number of distinct 3-colorings (X, O and blank) of 3 by 3 grid with (Floor[ n/2 ] + Mod[ n,2 ]) X's, Floor[ n/2 ] O's and 9 - n blanks.

+0
2

1, 3, 12, 38, 108, 174, 228, 174, 89, 23 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Number of tic-tac-toe positions after n plays if game is allowed to continue after the win, up to rotation and reflection. Gives upper bound on distinct tic-tac-toe positions after n plays (A008907).`
	LINKS	`Index entries for sequences related to tic-tac-toe`
	CROSSREFS	`A008907, A048245.` `Sequence in context: A083215 A022727 A008907 this_sequence A129014 A055294 A029858` `Adjacent sequences: A048243 A048244 A048245 this_sequence A048247 A048248 A048249`
	KEYWORD	`fini,full,nonn`
	AUTHOR	`Robert W. Pratt (Rob.Pratt(AT)sas.com)`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.