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A269126
Number of sequences with n copies each of 1,2,...,8 avoiding the pattern 12...8.
2
1, 40319, 81537026047, 360953073372968159, 2179159866745975811590271, 15006398706095549205738572240519, 108710813295434106456771753677041770655, 798203800902002138190338074022806761037450631, 5841526335200139692050292842849347521755651331941759
OFFSET
0,2
LINKS
FORMULA
a(n) = A071550(n) - A268844(n).
CROSSREFS
Row n=8 of A269129.
Sequence in context: A172863 A159720 A127228 * A168359 A090394 A250055
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 19 2016
STATUS
approved