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A145261
1/10 of the number of 10-colorings of an n X n array symmetric about main diagonal.
0
1, 81, 53217, 283593393, 12258075782601, 4297629494449269153, 12221263772988733500680961, 281892642133040615422671776068833, 52738993750936114896985550720064788375625
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Sequence in context:
A088188
A017560
A128493
*
A013745
A093227
A387582
Adjacent sequences:
A145258
A145259
A145260
*
A145262
A145263
A145264
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Oct 05 2008
STATUS
approved
